Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7717781 | Apparatus and method for controlling clearing in a falling object game with a sequence bar | Ryuichi Hattori, Osamu Kodera | 2010-05-18 |
| 6605811 | Electron beam lithography system and method | Masanao Hotta, Yasuhiko Kojima, Takaomi Ito, Tetsuyuki Okabayashi, Akio Otani +1 more | 2003-08-12 |
| 5132578 | Stepping motor for timepiece | Toru Iwasa, Noboru Watanabe, Syouichi Mitsugi | 1992-07-21 |