Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9893643 | Semiconductor module, semiconductor device, and electric power device | Nobuhisa Honda | 2018-02-13 |
| 4248312 | Method and apparatus for upwardly cutting full cutting face of a shaft without requesting workmen's hands | Takayuki Jinno, Toshihiro Kikuchi | 1981-02-03 |
| 4207016 | Method and apparatus for supporting the wall of an upwardly excavated shaft | Takayuki Jinno, Toshihiro Kikuchi | 1980-06-10 |