Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444017 | Method of making cBN semiconductor device having an ohmic electrode | Koh Era, Yoshiyuki Suda, Satoshi Agawa | 1995-08-22 |
| 5414279 | cBN semiconductor device having an ohmic electrode and a method of making the same | Koh Era, Yoshiyuki Suda, Satoshi Agawa | 1995-05-09 |
| 5226337 | Slide driving apparatus of press machine | Shozo Imanishi, Masakazu Hashimoto, Touru Miyashita, Takao Ito | 1993-07-13 |
| 4980730 | Light emitting element of cubic boron nitride | Shinobu Yamaoka, Osamu Fukunaga, Junzo Tanbaka, Koh Era | 1990-12-25 |
| 4875967 | Method for growing a single crystal of cubic boron nitride semiconductor and method for forming a p-n junction thereof, and light emitting element | Shinobu Yamaoka, Osamu Fukunaga, Junzo Tanaka, Koh Era | 1989-10-24 |