Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041173 | Lapping tools | Hirokazu Tokoro, Takanobu Nishimura, Masaharu Kinoshita, Norio Masuda | 1991-08-20 |
| 4867803 | Lapping tools and method of manufacturing the same | Hirokazu Tokoro, Takanobu Nishimura, Masaharu Kinoshita, Norio Masuda | 1989-09-19 |
| 4262060 | Solar heat absorber and a method of manufacturing the same | Shigetomo Ueda, Masakazu Inagaki | 1981-04-14 |