Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8346384 | Cutting machine, control unit and recording medium | Kazutoki Otake, Hiroshi Murata, Yutaka Matsunaga, Takeshi Nishimiya | 2013-01-01 |
| 5906044 | Ultrasonic welding method | Atsuhiko Fujii | 1999-05-25 |
| 5542018 | Semiconductor laser device making use of photodiode chip | Yoshiki Kuhara, Hiromi Nakanishi, Ichiro Tonai | 1996-07-30 |
| 4737012 | Infrared light transmission fiber | Kenichi Takahashi | 1988-04-12 |
| 4721360 | Infrared light transmitting fiber | Kenichi Takahashi | 1988-01-26 |
| 4583821 | Infrared fibers | Kenichi Takahashi | 1986-04-22 |
| 4552434 | Crystalline infrared optical fiber with a small gap and a process for the production of same | Kenichi Takahashi | 1985-11-12 |
| 4521073 | Infrared light transmitting fiber and process for producing the same | Kenichi Takahashi | 1985-06-04 |
| 4504298 | Process for producing infrared light transmitting optical fiber | Minoru Yokota, Kenichi Takahashi | 1985-03-12 |
| 4490008 | Infrared fibers | Kenichi Takahashi | 1984-12-25 |
| 4326931 | Process for continuous production of porous metal | Eiji Kamijo, Katsuto Tani | 1982-04-27 |