Skip to content

Nemoto (Japan)

Japanese medical device company founded in 1939 that develops contrast-medium injectors for CT, MR, and angiography imaging.

Last updated September 16, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Nemoto (根本杏林堂) is a Japanese company in Bunkyo-ku, Tokyo, founded in January 1939. It develops and manufactures contrast-medium injection devices for medical imaging, including CT, MR, and angiography injectors, along with related products such as the IVP pump 50 and contrast-medium leakage detection support system LD. The company was reorganized as a stock company (株式会社根本杏林堂) in October 1976 with capital of 3 million yen, and its history includes a series of world-first and Japan-first injector products beginning in 1972.

History

Nemoto (根本杏林堂) was founded in January 1939. In March 1972 it launched the J-100, described as the world's first dedicated cerebral-vessel compressed-cylinder injector, and in October 1972 it launched the M-200, described as Japan's first DC-motor injector for cerebral and abdominal vessels. In October 1976 the company was reorganized as a stock company (株式会社根本杏林堂) with capital of 3 million yen. In October 1981 it launched the Auto Enhance A-20, described as the world's first CT contrast-medium injector. In March 1982 it opened the Kawaguchi Plant in Ryoke, Kawaguchi, Saitama; in April 1984 it moved its head office to the Hongo Sasaki Building in Bunkyo-ku, Tokyo; in October 1986 it increased capital to 9 million yen; and in March 1987 it relocated and opened the Kawaguchi Plant in Asahi, Kawaguchi, Saitama. In May 1990 it opened the Osaka Sales Office in Nishi-ku, Osaka; in November 1994 it increased capital to 10 million yen; and in March 1995 it launched the MRS, described as the world's first MRI contrast-medium injector. In June 1996 it opened the Aoki Plant in Aoki, Kawaguchi, Saitama; in July 1998 it opened a Technical Center in Aoki, Kawaguchi, Saitama; in July 1999 it opened the Fukuoka Sales Office in Hakata-ku, Fukuoka; in November 1999 it opened the Sapporo Sales Office in Higashi-ku, Sapporo; and in December 1999 it moved its head office to the Hongo Center Building in Bunkyo-ku, Tokyo. In January 2001 it completed the Dual Shot, described as the world's first CT dual contrast-medium injector; in June 2001 it opened the Kawaguchi Plant Second Factory in Aoki, Kawaguchi, Saitama; and in December 2001 it obtained ISO9001. In April 2002 it opened the Nagoya Sales Office in Naka-ku, Nagoya; in October 2003 it opened the Sendai Sales Office in Miyagino-ku, Sendai and obtained ISO13485; in March 2004 it launched the Dual Shot GX, described as the world's first CT dual contrast-medium injector with body-weight input and protocol functions; and in March 2009 it completed the PressDUO, a dual injector for angiography.

Products and positioning

  • CT用造影剤注入装置

  • MR用造影剤注入装置

  • AG用造影剤注入装置

  • IVP pump 50

  • 造影剤モレ検知サポートシステムLD

  • CE Evidence

Sources3 sources

Cite this profile: Cite the canonical profile. /brand-wiki/nemoto-japan · Editorial policy · How profiles are compiled