| January 1939 | Establishment of Nemoto Kyorindo |
| March 1972 | Released for sale the J-100, the world's first compression tank type injector specialized for cerebral blood vessels |
| October 1972 | Released for sale the M-200, Japan's first DC motor type injector for brain and abdominal blood vessels |
| October 1976 | Reorganization as Nemoto Kyorindo Co., Ltd., with capital of 3 million yen. |
| October 1981 | Released for sale the Auto Enhance A-20, the world's first contrast agent injector for CT scans |
| March 1982 | Opened Kawaguchi plant in Ryouke, Kawaguchi City, Saitama Prefecture |
| April 1984 | Moved company headquarters to the Sasaki Building, Hongo, Bunkyo Ward, Tokyo-to |
| October 1986 | Increased capitalization to 9 million yen |
| March 1987 | Transferred the Kawaguchi plan to Asahi, Kawaguchi City, Saitama Prefecture and opened that facility |
| May 1990 | Opened Osaka Sales Office in Nishi Ward, Osaka City |
| November 1994 | Increased capitalization to 10 million yen |
| March 1995 | Released for sale the MRS, the world's first contrast agent injector for MRI |
| June 1996 | Opened Aoki plant in Aoki, Kawaguchi City, Saitama Prefecture |
| July 1998 | Opened Engineering Center in Aoki, Kawaguchi City, Saitama Prefecture |
| July 1999 | Opened Fukuoka Sales Office in Hakata Ward, Fukuoka City |
| November 1999 | Opened Sapporo Sales Office in Higashi Ward, Sapporo City |
| December 1999 | Moved company headquarters to the Center Building, Hongo, Bunkyo Ward, Tokyo-to |
| January 2001 | Released for sale the Dual Shot, the world's first dual contrast agent injector for CT scans |
| June 2001 | Opened second Kawaguchi plant in Aoki, Kawaguchi City, Saitama Prefecture |
| December 2001 | Acquired "ISO9001" certification |
| April 2002 | Opened Nagoya Sales Office in Naka Ward, Nagoya City |
| October 2003 | Opened Sendai Sales Office in Miyagino Ward, Sendai City |
| October 2003 | Acquired "ISO13485" certification |
| March 2004 | Released for sale the Dual Shot GX, the world's first dual contrast agent injector for CT scans with weight input and protocol mounted |
| March 2009 | Completed Press Duo dual injector for vascular imaging |
