Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D515459 | Surface configuration of a vehicle body, toy, and/or replica | Toshihiro Ooyama | 2006-02-21 |
| 6828865 | Phase-locked loop circuit and data reproduction apparatus | Shinichi Yamane | 2004-12-07 |
| 6563449 | Successive comparison analog-to-digital converter | Haruhisa Takata, Kazuhiko Nishikawa, Takahiro Bokui | 2003-05-13 |
| 6542272 | Control signal transmission method and apparatus for optical transmission system | — | 2003-04-01 |
| 6528982 | Jitter detector, phase difference detector and jitter detecting method | Naoshi Yanagisawa, Shiro Dosho, Kazuhiko Nishikawa, Takahiro Bokui | 2003-03-04 |
| 6498537 | Phase comparison circuit having a controlled delay of an input signal | — | 2002-12-24 |
| 6489851 | Phase locked loop circuit | Yoshinori Miyada | 2002-12-03 |
| 6211981 | Optical wavelength multiplex transmission system using repeaters | — | 2001-04-03 |
| 6169625 | Saturable absorption type optical switch and controlling method therefor | Shohei Yamaguchi | 2001-01-02 |
| 6137605 | Output power control system for optical amplification repeater | — | 2000-10-24 |
| 6124959 | Optical wavelength-division multiplexing transmission system | — | 2000-09-26 |
| 6108468 | Optical branching device and method of optical transmission | Tomoyuki Kaneko | 2000-08-22 |
| 6104477 | Optical characteristic measurement system | Masanori Yoshida | 2000-08-15 |
| 5956440 | Optical transmission line for wavelength division multiplexed optical signals | Satoshi Mikami | 1999-09-21 |
| 5933675 | Centralized control system for terminal device | Yoji Sawada, Toru Kirimura, Kazunobu Maekawa, Sumiaki Hirata | 1999-08-03 |
| 5692678 | Flame spraying burner | Genichi Ishibashi, Kuniaki Sato, Hiroyuki Nakashima, Keiji Matsuda, Satoshi Shimizu | 1997-12-02 |
| 5688985 | Process for producing keto nitrile derivative | Mitsuhiko Fujihara, Kenji Asahina, Toru Watanabe, Toshiyuki Takezawa | 1997-11-18 |
| 5631724 | Centralized control system for terminal device | Yoji Sawada, Toru Kirimura, Kazunobu Maekawa, Sumiaki Hirata | 1997-05-20 |
| 5600482 | Optical amplifier circuit capable of carrying out stable amplification | — | 1997-02-04 |
| 5502810 | Optical transmission system | — | 1996-03-26 |
| 5349107 | Process for producing optically active .gamma.-hydroxyketones | Shigeru Mitsuhashi, Hidenori Kumobayashi | 1994-09-20 |
| 5304826 | Semiconductor integrated circuit device | Yoshihiro Ichikawa, Takashi Saigo, Tsutomu Umetsu | 1994-04-19 |
| 5300980 | Control apparatus of copying machine with improved communication function for centralized control unit | Kazunobu Maekawa, Sumiaki Hirata, Kenzo Nagata, Yoji Sawada, Toru Kirimura | 1994-04-05 |
| 5186423 | Fallable type pole supporting device | Hajime Wakayama, Toru Shimakura, Akio Handa | 1993-02-16 |
| 5061527 | Method and apparatus for spray coating of refractory material to refractory construction | Mitsuo Saito, Akihiko Nanba, Tsutomu Nozaki, Tetsuya Fujii, Tsuyoshi Nakamoto +1 more | 1991-10-29 |