Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955178 | Electro-conductive oxides and electrodes using the same | Masahiro Orita, Hiroyuki Sakai, Megumi Takeuchi | 1999-09-21 |
| 5843341 | Electro-conductive oxide electrodes and devices using the same | Masahiro Orita, Hiroyuki Sakai, Megumi Takeuchi | 1998-12-01 |
| 5681671 | Electro-conductive oxides and electrodes using the same | Masahiro Orita, Hiroyuki Sakai, Megumi Takeuchi | 1997-10-28 |
| 5622653 | Electro-conductive oxides and electrodes using the same | Masahiro Orita, Hiroyuki Sakai, Megumi Takeuchi | 1997-04-22 |
| 4913652 | Pyrolytic boron nitride crucible and method for producing the same | Masaharu Suzuki | 1990-04-03 |
| 4849146 | Method for producing pyrolytic boron nitride article | Masaharu Suzuki, Kenji Nomura, Shojiro Watanabe, Takashi Kawasaki | 1989-07-18 |
| 4773852 | Pyrolytic boron nitride crucible and method for producing the same | Masaharu Suzuki | 1988-09-27 |
| 4690841 | Pyrolytic boron nitride article | Masaharu Suzuki, Kenji Nomura, Shojiro Watanabe, Takashi Kawasaki | 1987-09-01 |
| 4288717 | Thermionic cathode apparatus | Mitsuaki Saito, Masaji Ishii | 1981-09-08 |