| 5420384 |
Contact material for a vacuum interrupter |
Tsutomu Okutomi, Atsushi Yamamoto, Tsuneyo Seki, Mitsutaka Honma |
1995-05-30 |
| 5403543 |
Process for manufacturing a contact material for vacuum circuit breakers |
Tsutomu Okutomi, Tsuneyo Seki, Atsushi Yamamoto, Tadaaki Sekiguchi, Yoshiko Majima |
1995-04-04 |
| 5354352 |
Contact material for vacuum circuit breakers |
Tsuneyo Seki, Tsutomu Okutomi, Atsushi Yamamoto, Kiyofumi Otobe |
1994-10-11 |
| 5149362 |
Contact forming material for a vacuum interrupter |
Tsutomu Okutomi, Atsushi Yamamoto, Seishi Chiba, Tsuneyo Seki, Mitsutaka Honma +3 more |
1992-09-22 |
| 5056702 |
Method of manufacturing a semiconductor device |
Masako Nakahashi, Makoto Shirokane, Hiromitsu Takeda, Tatsuo Yamazaki, Tsutomu Okutomi +4 more |
1991-10-15 |
| 5045281 |
Contact forming material for a vacuum interrupter |
Tsutomu Okutomi, Atsushi Yamamoto, Tsuneyo Seki, Yoshinari Satoh, Mitsutaka Honma +2 more |
1991-09-03 |
| 4917642 |
Air-tight ceramic container |
Masako Nakahashi, Makoto Shirokane, Hiromitsu Takeda, Tatsuo Yamazaki, Tsutomu Okutomi +2 more |
1990-04-17 |
| 4830821 |
Process of making a contact forming material for a vacuum valve |
Tsutomu Okutomi, Seishi Chiba, Tadaaki Sekiguchi, Hiroshi Endo, Tsutomu Yamashita |
1989-05-16 |
| 4777335 |
Contact forming material for a vacuum valve |
Tsutomu Okutomi, Seishi Chiba, Tadaaki Sekiguchi, Hiroshi Endo, Tsutomu Yamashita |
1988-10-11 |