Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546537 | Method for producing a semiconductor device utilizing V-groove etching and thermal oxidation | Yoshinobu Momma | 1985-10-15 |
| RE31937 | Semiconductor device and method for its preparation | Yoshinobu Momma, Osamu Hataishi | 1985-07-02 |
| 4338620 | Semiconductor devices having improved alignment marks | — | 1982-07-06 |
| 4233091 | Method of manufacturing semiconductor devices having improved alignment marks | — | 1980-11-11 |
| 4231057 | Semiconductor device and method for its preparation | Yoshinobu Momma, Osamu Hataishi | 1980-10-28 |