Calty Design Research
Corporate brand
UnclaimedToyota's United States design studio for advanced, production, interior, exterior, color, and wheel design.
Last updated August 24, 2026
Overview
Calty Design Research is Toyota Motor Corporation's United States design studio and one of the company's principal North American sources of automotive styling and advanced-design proposals. Established in 1973 by Noritsuna Watanabe and David Stollery, Calty began in El Segundo, California, at a time when Toyota was seeking a deeper understanding of American vehicle tastes and a stronger creative presence outside Japan. The studio was intended not merely to adapt Japanese designs for export, but to develop ideas around the preferences, lifestyles, and expectations of North American customers. The organization was substantially reorganized in 1976 under Kazuo Morohoshi, a Toyota manager who had worked on the third-generation Corolla and the Tercel and Corsa. Morohoshi was asked to create a durable American design operation, including its facilities, staffing, and creative direction. He recruited primarily American designers and encouraged work aimed at local sensibilities. One early result was Calty's contribution to the second-generation Toyota Celica, whose styling was developed with the American market in mind. The model's subsequent sales performance helped reinforce Toyota's case for maintaining a dedicated design capability in the United States. Calty's work extends beyond the styling of vehicles that reach production. Its Newport Beach facility has focused particularly on concept and advanced design, while a second facility in Ann Arbor, Michigan, has been associated with production design work. The studio develops exterior and interior proposals, explores future vehicle forms, and contributes to production color and wheel concepts. Concept vehicles have served both as design experiments and as research tools, allowing Toyota to test how American audiences respond to proportions, usability, packaging, and visual themes before those ideas are applied to production programs. The studio has contributed to a broad range of Toyota, Lexus, and Scion projects. Its recorded work includes production vehicles such as the Toyota Celica, Avalon, Tacoma, RAV4, Highlander, Sienna, Venza, Tundra, Camry, Land Cruiser, and 4Runner, as well as the Lexus SC and GS and several Scion models. Calty has also developed or participated in advanced concepts including the CAL-1, F100, FXV, MX21, FTX, FJ Cruiser, RSC, LF-X, LF-C, FLV, FT-HS, F3R, t2B, and FT-1. The studio's involvement has sometimes covered a complete vehicle theme and sometimes a particular area, such as interior design or NASCAR race-car styling. Calty also participated in Toyota's global design process. During the development of the first-generation Prius, Toyota's international design centers competed with proposals in 1996, and Calty's design was selected as the basis for the vehicle's exterior direction. Detailed production development was subsequently carried out by Toyota's development organization in Japan. Calty likewise worked with the teams involved in the first Lexus LS 400 program and helped Toyota interpret American luxury-car expectations, including aspects of the vehicle design and the early Lexus retail environment. Today, Calty functions as part of Toyota's integrated global product-development network rather than as an independent consumer-facing automaker. Its importance lies in translating North American cultural and market insight into vehicle concepts and production proposals while collaborating with Toyota and Lexus design and engineering organizations elsewhere in the world. The brand is therefore best understood as an automotive design and research operation within Toyota's corporate structure.
History
Calty Design Research was founded in 1973 in El Segundo, California, by Noritsuna Watanabe and David Stollery as Toyota's American design studio. Its creation reflected Toyota's growing need to understand and serve the United States market through a local design perspective. Rather than treating the American market only as an export destination, Toyota established a team that could study local tastes and propose vehicle forms shaped by American expectations. A major formative change came in 1976, when Toyota assigned Kazuo Morohoshi to strengthen and reorganize the studio. Morohoshi had recently worked on the third-generation Corolla and the Tercel and Corsa. His responsibilities included defining Calty's long-term role, securing and fitting out an appropriate facility, and recruiting staff. He chose to build a predominantly American team, although differences in working culture initially created communication challenges. The approach helped Calty develop a design language more closely connected to its intended market. One of the studio's early significant assignments was work related to the second-generation Toyota Celica. The vehicle was styled with American preferences in mind, and its improved reception and sales performance supported Toyota's decision to continue investing in a permanent American design capability. Calty also undertook pure research and concept-car work with assistance from design consultant and Art Center faculty member Strother MacMinn. These projects allowed Toyota to investigate possible future features and to gather reactions to styling ideas that Japanese audiences might evaluate differently from American audiences. Morohoshi returned to Japan in 1983 to lead advanced design at Toyota's Nagoya Design Division. The Newport Beach building selected during his tenure continued to serve as Calty's base. Over time, Toyota developed a broader global design network in which Calty collaborated with studios and development centers in Japan and elsewhere. Calty's role encompassed both exploratory design and contributions to production programs, with the Newport Beach operation associated especially with concept and advanced design and the Ann Arbor, Michigan, facility associated with production design. Calty's relationship with Lexus became important during the creation of Toyota's luxury-car business. For the LS 400 program, Toyota studied the expectations of a targeted American luxury-car customer and sent Japanese designers to California to examine local lifestyles and preferences. Calty worked with that effort and contributed to exterior and interior design discussions. Its sportier proposals sometimes differed from the more conservative direction preferred by Toyota executives in Japan. Calty was also involved in the early Lexus retail environment and dealer training as Toyota established the new luxury brand in the United States. The studio subsequently contributed to a wide portfolio of Toyota, Lexus, and Scion vehicles and concepts. Its listed projects range from the Toyota Hilux, Celica, Previa, Avalon, Tacoma, RAV4, Highlander, Sienna, Tundra, Venza, Camry, Land Cruiser, and 4Runner to the Lexus SC and GS, Scion tC, and multiple experimental vehicles. A notable global design exercise occurred in 1996, when Toyota's design centers competed to shape the first-generation Prius. Calty's proposal was selected, although Toyota's Development Center 2 in Japan completed the detailed production development. Calty remains a Toyota design organization serving North American and global vehicle programs. Its continuing remit includes future-vehicle concepts, production styling, interiors, color, wheels, and design research. The studio's history demonstrates Toyota's effort to combine a global engineering and manufacturing system with design centers capable of responding to distinct regional cultures and markets.
- 2014
FT-1 concept
[1]Calty contributes to the Toyota FT-1 advanced sports-car concept.
- 1996
Calty proposal selected for the first-generation Prius
[1]In a competition among Toyota's design centers, Calty's proposal is selected for the first-generation Prius; detailed production development is completed in Japan.
- 1983
Morohoshi returns to Japan
[1]Kazuo Morohoshi leaves Calty to lead advanced design at Toyota's Nagoya Design Division.
- 1978
Early FXV concept work
[1]Calty is associated with the early Toyota FXV concept program, part of its use of experimental vehicles for design research.
- 1976
Kazuo Morohoshi reorganizes the studio
[1]Toyota assigns Kazuo Morohoshi to build Calty into a stronger long-term American design center and to recruit a predominantly American staff.
- 1973
Calty is established in California
[1]Noritsuna Watanabe and David Stollery establish Toyota's American design studio in El Segundo, California.
Products and positioning
Toyota's North American automotive design and advanced-research center, combining local market insight with Toyota's global product-development process.
Automotive design service · 1977
Toyota production-vehicle design
Calty develops exterior and interior styling proposals for Toyota production vehicles. Listed contributions span the Celica, Avalon, Tacoma, RAV4, Highlander, Sienna, Tundra, Venza, Camry, Land Cruiser, 4Runner, and other vehicles across multiple model generations. The studio's participation can cover a complete design theme or a specific production area.
Automotive design service · 1989
Lexus design programs
Calty has contributed to Lexus-related design work, including the first Lexus LS 400 program, the Lexus SC, the Lexus GS interior, and advanced concepts such as the LF-X, LF-C, and FLV. Its role has included interpreting American luxury-car expectations and developing exterior or interior proposals in coordination with Toyota's global design teams.
Automotive concept design · 1977
Advanced concept vehicles
Calty uses concept vehicles as a research medium for testing future proportions, features, packaging, and styling directions. Its documented concepts include the CAL-1, F100, FXV, MX21, FTX, FJ Cruiser, RSC, FT-HS, F3R, t2B, and FT-1. Such projects help Toyota assess design responses before ideas move into production development.
Automotive design service
Production color and wheel design
In addition to vehicle form, Calty provides advanced design concepts for production colors and wheels. These activities extend the studio's contribution from major exterior and interior themes to visible details that influence vehicle identity, perceived quality, and market appeal.
Brand decisions
1996
Toyota selects Calty's Prius design proposalStrategyBackground
Toyota used a competition among its global design centers to generate proposals for the first-generation Prius.
Action taken
Calty's proposal was selected as the preferred design direction, while detailed production development was assigned to Toyota's Development Center 2 in Japan.
Aftermath
The decision demonstrated Calty's ability to contribute to a globally developed Toyota vehicle while retaining a division of labor between styling studios and Japanese production-development teams.
1976
Toyota builds a dedicated American design capabilityStrategyBackground
Toyota wanted a design center able to address American tastes rather than simply adapting designs developed for Japanese preferences.
Action taken
Toyota appointed Kazuo Morohoshi to reorganize Calty, establish its facilities and operating direction, and recruit American designers.
Aftermath
Calty became a durable component of Toyota's global design network and contributed to later North American-oriented production and concept programs.
Sources1 sources
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