Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5974638 | Seat belt buckle | Yutaka Yamaguchi, Tadayuki Asako | 1999-11-02 |
| 5917282 | Electron tube with electron lens | Motohiro Suyama, Suenori Kimura, Ken Hirano, Norio Asakura, Tetsuya Morita | 1999-06-29 |
| 5883466 | Electron tube | Motohiro Suyama, Suenori Kimura, Norio Asakura, Ken Hirano, Yutaka Hasegawa +1 more | 1999-03-16 |
| 5537206 | Method for analyzing steel and apparatus therefor | Takanori Akiyoshi, Tadashi Mochizuki, Akiko Sakashita, Yohichi Ishibashi, Satoshi Kinoshiro +3 more | 1996-07-16 |
| 5393403 | Probe using a mixed sub-electrode for measuring the activity of carbon in molton iron | Minoru Sasabe, Yoshiteru Kikuchi, Toshio Takaoka, Hiromi Seno, Chikayashi Furuta +1 more | 1995-02-28 |
| 5091000 | Method for cleaning molten metal and apparatus therefor | Toshio Ishii, Yutaka Okubo, Shuzo Fukuda, Shunichi Sugiyama, Yoshiteru Kikuchi +1 more | 1992-02-25 |
| 5049357 | Method for manufacturing iron-boron-silicon alloy | Hidetoshi Matsuno, Toshio Takaoka, Yoshiteru Kikuchi, Tadahiko Nishi | 1991-09-17 |
| 4891878 | Method of making a magnetic head | Kazuaki Koyama | 1990-01-09 |
| 4811147 | Magnetic head incorporating a glass composition of barium oxide and phosphorous pentaoxide | Kazuaki Koyama, Isao Yasuda | 1989-03-07 |
| 4807075 | Magnetic head | Kazuaki Koyama, Isao Yasuda | 1989-02-21 |
| 4783219 | Method for melting and reducing chrome ore | Hajime Mori, Minoru Hirano, Teruyuki Hasegawa, Yoshiteru Kikuchi, Kenji Takahashi | 1988-11-08 |
| 4475137 | Magnetic transducer | Isao Yasuda, Yorinobu Yoshisato, Kazuaki Koyama | 1984-10-02 |
| 4404608 | Magnetic head with an improved inner core | Isao Yasuda, Kazuaki Koyama | 1983-09-13 |