Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7128791 | Heat-resistant martensite alloy excellent in high-temperature creep rupture strength and ductility and process for producing the same | Masaaki Igarashi, Fujio Abe | 2006-10-31 |
| 6930313 | Emission source having carbon nanotube, electron microscope using this emission source, and electron beam drawing device | Tadashi Fujieda, Kishio Hidaka, Mitsuo Hayashibara, Shuichi Suzuki, Yoshimichi Numata | 2005-08-16 |
| 6833550 | Electron microscope | Mitsuo Hayashibara, Kishio Hidaka, Tadashi Fujieda, Yoshimichi Numata, Shuuichi Suzuki | 2004-12-21 |
| 4537743 | Electrode composition for vacuum switch | Takashi Yamanaka, Yasushi Takeya, Mitsumasa Yorita, Kouichi Inagaki, Eizo Naya +2 more | 1985-08-27 |
| 4499009 | Electrode composition for vacuum switch | Takashi Yamanaka, Yasushi Takeya, Mitsumasa Yorita, Kouichi Inagaki, Eizo Naya +2 more | 1985-02-12 |
| 4486631 | Contact for vacuum circuit breaker | Eizo Naya, Yasushi Takeya, Kouichi Inagaki, Michinosuke Demizu, Mitsuhiro Okumura | 1984-12-04 |
| 4419553 | Vacuum type circuit breaker | Masayuki Ohshita, Takashi Yamanaka, Yoshihiro Usui | 1983-12-06 |
| 4302514 | Contact for vacuum interrupter | Masaru Kato, Hitoshi Takeuchi | 1981-11-24 |
| 4299889 | Contact for vacuum interrupter | Masaru Kato, Hitoshi Takeuchi | 1981-11-10 |
| 4260865 | Circuit breaker | — | 1981-04-07 |