Ubigraph Inc. (Japan)
Japanese developer of ubiquitous-computing systems, best known for the P-Stick USB presentation stick and P-Station presentation appliance.
Last updated September 29, 2026
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Overview
Ubigraph Inc. (Japan) — written in Japanese as 有限会社ユビグラフ — is a small Japanese technology company based in Naka-ku, Nagoya, Aichi Prefecture. It describes itself as a developer and seller of ubiquitous-computing-related systems (ユビキタス関連システムの開発および販売). Its registered office, as listed on its website, is on the seventh floor of the No. 2 Rix Building at 3-17-28 Marunouchi, Naka-ku, Nagoya. The company's product line centers on making screen sharing and presentation easy in meeting rooms and across remote sites. Its flagship product is P-Stick, a USB presentation stick: when plugged into a PC's USB port, it automatically launches software and enables screen sharing among multiple computers. P-Stick uses "cogma" technology developed at Nagoya University to automatically detect other P-Stick devices attached to nearby computers. Because it transfers the PC screen itself, it can be used to share projectors and plasma displays, to let several people share a presentation screen, and to support remote conferencing between distant locations. A companion product, P-Station, is a presentation station appliance that works together with P-Stick to share projectors and plasma displays over a network; simply connecting P-Station to a display enables wireless presentations. The company also offers a ubiquitous appliance — a cogma-equipped ultra-small PC running Java-based cogma plus a web server and DHCP server, allowing users to operate connected devices such as plasma displays through a web browser. Ubigraph's public activity is documented mainly through its own website news items from the mid-2000s. In 2006 it was selected for the IPA (Information-technology Promotion Agency) Next-Generation Software program for "environment-adaptable, scalable multipoint multimedia communication infrastructure software." In 2007 it delivered P-Stick and P-Station to Toyota Motor Corporation, and it exhibited at events including DICOMO2007 and Venture Expo 2007 in Nagoya. In 2008 it exhibited SAMTK, multipoint multimedia communication infrastructure software, at IPAX 2008. The company is a private limited company (yugen-gaisha); no parent company, ownership structure, or stock listing is indicated in the available evidence. Its current operating status is not confirmed by the supplied sources.
History
Ubigraph Inc. (Japan), known in Japanese as 有限会社ユビグラフ, is a small Japanese technology venture based in Naka-ku, Nagoya, Aichi Prefecture. It presents itself as a developer and seller of ubiquitous-computing-related systems. The company's public record, as reflected on its own website, is concentrated in the mid-2000s, when it marketed a family of products for cable-free screen sharing and remote conferencing. The core of the product line is P-Stick, a USB presentation stick. According to the company, plugging P-Stick into a PC's USB port automatically launches software and enables screen sharing across multiple computers. It relies on "cogma" technology developed at Nagoya University to automatically detect P-Stick devices attached to surrounding computers. Because it transmits the PC screen itself, P-Stick can be used to share projectors and plasma displays, to let several people share a presentation screen, and to support remote conferencing between distant sites. The company positioned P-Stick as a solution to common presentation problems — tangled display cables, cables that are too short, failed connections and wasted meeting time, and the need for pre-configuration — as well as to the limitations of wireless-LAN presentation projectors, which often require per-projector software installation, do not work across multiple vendors, and are difficult to set up. A companion product, P-Station, is a presentation station appliance that works with P-Stick to share projectors and plasma displays over a network. Connecting only P-Station to a display enables wireless presentations. The company also offered a ubiquitous appliance: a cogma-equipped ultra-small PC running Java-based cogma together with a web server and DHCP server, allowing users to operate connected devices such as plasma displays through a web browser; if client terminals also run cogma, dynamic software migration enables flexible coordination between devices and terminals. P-Stick's documented operating environment was modest — Windows XP, an Intel Pentium III 700 MHz or higher (Pentium M 1 GHz recommended), 256 MB of memory (512 MB or more recommended), and IEEE 802.11b wireless or IEEE 802.3 wired networking — and the software used open-source code including winvnc and realvnc. For connections between remote sites, the company noted that internet VLAN/VPN services could be used, citing examples such as GMO Dokodemo LAN, SoftEther CA, and the Unified Gate VPN appliance. Ubigraph's website news items document its activity in the late 2000s. On November 24, 2006, it was selected for the IPA (Information-technology Promotion Agency) Next-Generation Software program for "environment-adaptable, scalable multipoint multimedia communication infrastructure software." On June 4, 2007, it announced delivery of P-Stick and P-Station to Toyota Motor Corporation. On May 30, 2007, it announced planned exhibitions at DICOMO2007 (July 4–6, 2007) and Venture Expo 2007 in Nagoya (July 5, 2007). On April 24, 2008, it announced it would exhibit SAMTK, multipoint multimedia communication infrastructure software, at IPAX 2008, held May 27–28, 2008. The company is a private limited company (yugen-gaisha). The available evidence does not identify its founders, ownership, parent company, or any stock listing, and it does not confirm whether the company remains active today.
Selected for the IPA Next-Generation Software program for environment-adaptable, scalable multipoint multimedia communication infrastructure software.
Announced planned exhibition at DICOMO2007 (July 4–6, 2007).
Announced planned exhibition at Venture Expo 2007 in Nagoya (July 5, 2007).
Delivered P-Stick and P-Station to Toyota Motor Corporation.
Announced exhibition of SAMTK multipoint multimedia communication infrastructure software at IPAX 2008 (May 27–28, 2008).
Products and positioning
Developer and vendor of ubiquitous-computing systems for easy, cable-free screen sharing and remote conferencing in meeting and presentation environments.
P-Stick
USB presentation stick that, when plugged into a PC's USB port, automatically launches software and enables screen sharing among multiple computers; uses Nagoya University's cogma technology to auto-detect nearby P-Stick devices.
P-Station
Presentation station appliance that works with P-Stick to share projectors and plasma displays over a network; connecting only P-Station to a display enables wireless presentations.
Ubiquitous appliance (cogma-equipped ultra-small PC)
Ultra-small PC running Java-based cogma plus a web server and DHCP server, allowing users to operate connected devices such as plasma displays via a web browser.
SAMTK
Multipoint multimedia communication infrastructure software exhibited at IPAX 2008.
Sources4 sources
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