Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667429 | Floor surface blasting apparatus | Kiyoshi Uchida, Yoshikazu Miyachi, Kengo Hamanaka, Yoichiro Ban, Tadashi Nobushige | 1997-09-16 |
| 5435773 | Floor surface blasting apparatus | Kiyoshi Uchida, Yoshikazu Miyachi, Tomoyoshi Ibe, Tsutomu Kurita, Takeo Oomichi +3 more | 1995-07-25 |
| 5339573 | Floor surface blasting apparatus | Kiyoshi Uchida, Yoshikazu Miyachi, Tomoyoshi Ibe, Tsutomu Kurita, Takeo Oomichi +3 more | 1994-08-23 |
| 5056275 | Continuously-operable abrasive blasting apparatus | Hirokazu Wada, Tamotsu Oka | 1991-10-15 |
| 5040768 | Powdery article supply valve mechanism | Tamotsu Oka | 1991-08-20 |
| 4813806 | Welding beveling of T-joint | Tamotu Oka | 1989-03-21 |
| 4754118 | Method for fabricating a structural assembly having narrow gaps | Yasuhiro Fukaya, Hiroshi Ishitani, Hiroshi Kondo, Tamotu Oka, Toshihiko Ohshita +1 more | 1988-06-28 |
| 4715524 | Assembly of parts to be formed into a T-joint weld | Yasuhiro Fukaya | 1987-12-29 |