Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017146 | Error correction device | Takahiko Masumoto, Syugo Yamashita, Hiroshi Kaneko | 2000-01-25 |
| 5960328 | FM radio receiver and signal processing device used therein | Shigeaki Hayashibe, Yutaka Hirakoso, Takahiko Masumoto, Shizuka Ishimura, Toshiyuki Ozawa +1 more | 1999-09-28 |
| 5943312 | Sliding-type magnetic head for magnetooptical recording | Tomoyuki Takahashi, Tadao Nishii, Kenji Yazawa, Kazutoshi Asada, Hideo Tanaka +1 more | 1999-08-24 |
| 5835499 | Data processing device for FM multi-channel broadcasting | Shigeaki Hayashibe, Toshiyuki Ozawa, Tatsuo Hiramatsu, Yoshikazu Tomida | 1998-11-10 |
| 5825888 | Descrambling device | Shigeaki Hayashibe, Toshiyuki Ozawa, Tatsuo Hiramatsu, Yoshikazu Tomida | 1998-10-20 |
| 5809094 | Synchronization regeneration circuit | Takahiko Masumoto, Hiroshi Kaneko | 1998-09-15 |
| 5802067 | FM multiplex broadcast receiving circuit for detecting presence or absence of multiplex information | Shigeaki Hayashibe, Yutaka Hirakoso, Takahiko Masumoto, Shizuka Ishimura, Toshiyuki Ozawa +1 more | 1998-09-01 |
| 5784462 | Digital signal receiver capable of receiving data encrypted and transmitted in online processing | Yoshikazu Tomida, Tatsuo Hiramatsu, Shigeaki Hayashibe, Toshiyuki Ozawa | 1998-07-21 |
| 5777511 | Data demodulation apparatus | Takahiko Masumoto, Hiroshi Kaneko | 1998-07-07 |
| 5757825 | Digital signal processing for controlling error correction based on the state of the control bit | Shigeaki Hayashibe, Yutaka Hirakoso, Takahiko Masumoto, Shizuka Ishimura, Toshiyuki Ozawa +1 more | 1998-05-26 |
| 5752176 | FM radio receiver and signal processing device used therein | Shigeaki Hayashibe, Yutaka Hirakoso, Takahiko Masumoto, Shizuka Ishimura, Toshiyuki Ozawa +1 more | 1998-05-12 |
| 5722042 | Satellite communication system having double-layered earth orbit satellite constellation with two different altitudes | Yoshio Karasawa | 1998-02-24 |
| 5682280 | Sliding-type magnetic head for magnetooptical recording | Tomoyuki Takahashi, Tadao Nishii, Kenji Yazawa, Kazutoshi Asada, Hideo Tanaka +1 more | 1997-10-28 |
| 5671476 | Image forming machine with cleaning drum brush driven by rotating drum | Yasuyuki Ishiguro, Hiroaki Yamaguchi, Hiroyuki Tsuji, Masaru Watanabe | 1997-09-23 |
| 5667762 | Method for preventing adhesion of thallium 201 to container | Makoto Fukushima, Hirohiko Yamauchi, Kenichi Morishita, Keietsu Takahashi | 1997-09-16 |
| 5627576 | Ink jet head using excited progressive waves | Tetsuya Inui, Susumu Hirata, Yorishige Ishii, Kenji Ohta | 1997-05-06 |
| 5570336 | Information recording and reproducing apparatus having a slider formal of single crystal silicon body and cantilever | Tetsuya Inui, Yorishige Ishii, Kenji Ohta, Susumu Hirata | 1996-10-29 |
| 5535075 | Sliding-type magnetic head for magnetooptical recording | Tomoyuki Takahashi, Tadao Nishii, Kenji Yazawa, Kazutoshi Asada, Hideo Tanaka +1 more | 1996-07-09 |
| 5491500 | Ink jet head | Tetsuya Inui, Susumu Hirata, Yorishige Ishii, Kenji Ohta | 1996-02-13 |
| 5462626 | Method of bonding an external lead and a tool therefor | Shinji Kanayama, Akira Kabeshita, Kenichi Nishino, Satoshi Ohnakada, Takahiko Murata +1 more | 1995-10-31 |
| 5160572 | Optical memory device and apparatus for manufacturing the same | Junichiro Nakayama, Hiroyuki Katayama, Kenji Ohta | 1992-11-03 |
| 5144512 | Magnetic recording disk having textured surface | Kiyoshi Ota, Kenji Yazawa | 1992-09-01 |
| 5117415 | Optical card, a card holder and an apparatus for recording, reproducing and erasing information on and from the optical card | Kenji Ohta, Hiroyuki Katayama, Junichiro Nakayama, Hirotsugu Matoba, Shozo Kobayashi | 1992-05-26 |
| 5078943 | Process for making small diameter sticks | Tsutomu Moteki, Kazuo Aoki | 1992-01-07 |
| 5077725 | Optical memory device and apparatus for manufacturing the same | Junichiro Nakayama, Hiroyuki Katayama, Kenji Ohta | 1991-12-31 |