Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668414 | Machine tool | Atsushi Inoue, Satoshi Furutate, Hiroyuki Domaru | 2014-03-11 |
| 7524781 | Non-lead optical glass and optical fiber | Tatsuo Nagashima, Naoki Sugimoto, Seiki Ohara | 2009-04-28 |
| 7336413 | Nonlinear fiber, wavelength conversion method and wavelength conversion device | Naoki Sugimoto, Tatsuo Nagashima | 2008-02-26 |
| 4565986 | Electromagnetic contactor | Shigeharu Otsuka, Yuji Mizuno, Masahisa Kobukuro | 1986-01-21 |