Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784640 | Method and apparatus for indicating battery state of hybrid car | Toru Mizuta | 2004-08-31 |
| 5440093 | Structure of constrained chip for plasma jet torch, and plasma jet working method using this constrained chip | Toshikatu Sugaya, Mitsuo Hara, Yutaka Kikuchi, Tokujirou Sagisaka, Shuuichi Oomori | 1995-08-08 |
| 5093063 | Method of producing polyvinyl alcohol fibers | Masaharu Watanabe, Kazutaka Kooda, Naohiko Nagata, Keiichi Wakayama, Tsunetoshi Matsuda | 1992-03-03 |
| 4971861 | Polyvinyl alcohol fiber and method of manufacture thereof | Masaharu Watanabe, Kazutaka Kooda, Naohiko Nagata, Keiichi Wakayama, Tsunetoshi Matsuda | 1990-11-20 |
| 4893512 | Swinging-type automatic examination apparatus for piping | Osamu Kakuma | 1990-01-16 |
| 4788866 | Method and apparatus for visualizing ultrasonic waves in liquid-solid systems | Kazuhiro DATE | 1988-12-06 |