Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926588 | Optical switch | Takashi Murakami, Tsutomu Watanabe, Kazumasa Ozawa, Hisao Maki, Nobuo Tomita | 1999-07-20 |
| 5661826 | Transmission line switching apparatus | Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1997-08-26 |
| 5613021 | Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit | Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1997-03-18 |
| 5581644 | Transmission line switching apparatus | Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1996-12-03 |
| 5504825 | Optical fiber switching device and method | Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1996-04-02 |
| 5483608 | Optical switch for switching plural optical fibers | Yukihiro Yokomachi, Kazuo Ikegaya, Nobuo Tomita | 1996-01-09 |
| 5446810 | Optical switch, optical fiber arranging member and method of manufacturing the optical fiber arranging member | Tsutomu Watanabe, Kazumasa Ozawa, Shunichi Mizuno, Izumi Sankawa | 1995-08-29 |
| 5436987 | Transmission line switching apparatus including connected optical fibers | Makoto Sato, Hideo Kobayashi | 1995-07-25 |
| 5408549 | Optical fiber wiring switching apparatus | Mitsuaki Tamura, Toru Yamanishi, Hideo Kobayashi | 1995-04-18 |
| 5386485 | Optical fiber switching device having an optical fiber length adjustment unit and method for using the same | Masayuki Nishimura, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1995-01-31 |
| 5337378 | Optical fiber switch including partitions for restricting surplus fibers | Hideo Kobayashi, Toshiaki Katagiri | 1994-08-09 |
| 5044711 | Optical-fiber aligning member and method of forming the member | — | 1991-09-03 |
| 4983012 | Optical fiber connector | Toshiaki Kakii, Hidetoshi Ishida, Shuzo Suzuki | 1991-01-08 |
| 4950048 | Optical connector ferrule | Toshiaki Kakii, Yasuo Asano, Shuzo Suzuki, Koji Kashihara, Takeo Komiya | 1990-08-21 |
| 4830456 | Optical connector and process for producing the same | Toshiaki Kakii, Shuzo Suzuki | 1989-05-16 |
| 4352104 | Remote meter reading apparatus | Toshiaki Mizuta, Takeshi Abe, Ichiro Yoshihara | 1982-09-28 |
| 4316262 | Remote meter reading system | Toshiaki Mizuta, Takeshi Abe, Ichiro Yoshihara, Keishin Tsuchiya | 1982-02-16 |
| 4228429 | Alarm system having phase-sensitive bridge circuit | Keishin Tsuchiya, Ichiro Yoshihara, Takeshi Abe, Kiyoshi Abe, Kiyoshi Sone | 1980-10-14 |