Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225598 | Method of high frequency pulse arc welding and apparatus therefor | Masayasu Nihei, Jin Onuki, Takao Funamoto, Izumi Sakurai | 2001-05-01 |
| 5977515 | Underwater laser processing device including chamber with partitioning wall | Keiichi Uraki, Toshitaka Satsuta, Mitsuo Nakamura, Tsutomu Onuma, Toshimi Matsumoto +4 more | 1999-11-02 |
| 5938954 | Submerged laser beam irradiation equipment | Tsutomu Onuma, Toshimi Matsumoto, Mitsuo Nakamura, Choichi Asano, Yasumasa Tamai +4 more | 1999-08-17 |
| 5687045 | Thin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic head | Tetsuya Okai, Moriaki Fuyama, Eiji Ashida, Hiroshi Ikeda, Saburo Suzuki +3 more | 1997-11-11 |
| 5654992 | Method of repairing structural materials of nuclear reactor internals and apparatus therefor | Keiichi Uraki, Hisanori Okamura, Toshimi Matsumoto, Toshitaka Satsuta, Mitsuo Nakamura +4 more | 1997-08-05 |
| 5316617 | Thin film magnetic head and method of manufacturing the same | Takashi Kawabe, Moriaki Fuyama, Shinji Narishige, Tetsuya Okai, Yutaka Sugita +1 more | 1994-05-31 |
| 4454408 | Method for controlling arc welding and apparatus therefor | Ryoichi Kajiwara, Satoshi Kokura, Yuzo Kozono | 1984-06-12 |
| 4396823 | Method of electrode current control in welding apparatus having a plurality of electrodes | Masayasu Nihei, Satoshi Kokura, Eiji Ashida, Yuzo Kozono | 1983-08-02 |
| 4376816 | Method for storing sheets of photothermographic sheet material | Yoshio Hayashi, Tetsuo Shiga | 1983-03-15 |