Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454100 | Semiconductor element carrying equipment | Masamitsu Shimasaki, Iwao Sakai | 2002-09-24 |
| 5251690 | Apparatus for collecting cleaning bodies for tubular heat exchanger | Katsumoto Otake, Yoshio Sumiya, Yasuo Fujitani, Shigeo Oda, Tokunori Matsushima +5 more | 1993-10-12 |