Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9897135 | Extendible working machine | — | 2018-02-20 |
| 7124840 | Engine breaker | — | 2006-10-24 |
| 5056702 | Method of manufacturing a semiconductor device | Masako Nakahashi, Makoto Shirokane, Hiromitsu Takeda, Tatsuo Yamazaki, Tsutomu Okutomi +4 more | 1991-10-15 |