Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7149667 | Method and program for calculating ion distribution | — | 2006-12-12 |
| 6619088 | Bottom dead center correction device for servo press machine | Yasuhiko Oyamada, Youichi Kubota | 2003-09-16 |
| 6520077 | Screw press | Takaki Minagawa, Yasuhiko Oyamada, Youichi Kubota | 2003-02-18 |
| 5449292 | Tactile reading device | Yoshiyuki Tani, Yukio Shiraishi, Hong-Ru Su, Akiyoshi Morita | 1995-09-12 |
| 5431530 | Apparatus for transferring and stocking lead plates for storage batteries | Masaru Kobayashi, Kiyohiko Kawakami, Katsuhiro Takahashi, Kenzo Yamamoto | 1995-07-11 |
| 5226817 | Braille cell | Mitsuru Nakajima, Hong-Ru Su, Yoshiyuki Tani, Akiyoshi Morita | 1993-07-13 |