Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504815 | Optical information medium, stamper for manufacturing transparent substrate therefor and recording method therefor | Emiko Hamada | 2003-01-07 |
| 6493312 | Optical information medium | Ryou Negishi, Toshiaki Tajima, Emiko Hamada | 2002-12-10 |
| 6480450 | Method and apparatus for recording optical information by varying recording pulse width | Ryou Negishi, Masahiko Hirano | 2002-11-12 |
| 6452899 | Optical information medium and recording method therefor | Toshiaki Tajima, Yuji Tomizawa, Ryou Negishi, Emiko Hamada | 2002-09-17 |
| 6445676 | Optical information medium | Yuji Tomizawa, Emiko Hamada | 2002-09-03 |
| 6291045 | Optical information recording medium | Toshiaki Tajima, Yuji Tomizawa, Emiko Hamada | 2001-09-18 |
| 6218072 | Optical information recording medium | Kunihiro Otaguro, Mitsue Sakaino, Satoshi Nagaya, Yoshikazu Takagishi | 2001-04-17 |
| 6091277 | Input buffer circuit for semiconductor IC circuit | — | 2000-07-18 |
| 5976658 | Optical information recording medium | Yuji Tomizawa, Emiko Hamada | 1999-11-02 |
| 5956123 | Apparatus for observing cornea for transplantation | Kuniomi Abe | 1999-09-21 |
| 5895697 | Optical information medium | Toshiaki Tajima, Yuji Tomizawa, Ryou Negishi, Emiko Hamada | 1999-04-20 |
| 5794080 | Piezoelectric vibration angular velocity meter and camera using the same | Shunji Watanabe, Tatsushi Nomura, Takamitsu Fujiu, Yoshinori Sango, Tetsuo Hattori | 1998-08-11 |
| 5765046 | Piezoelectric vibration angular velocity meter and camera using the same | Shunji Watanabe, Tatsushi Nomura, Takamitsu Fujiu, Yoshinori Sango, Tetsuo Hattori | 1998-06-09 |
| 5723775 | Atomic force microscope under high speed feedback control | Shunji Watanabe | 1998-03-03 |
| 5689063 | Atomic force microscope using cantilever attached to optical microscope | Takamitsu Fujiu, Shunji Watanabe, Tatsushi Nomura, Yoshinori Sango, Tetsuo Hattori | 1997-11-18 |
| 5649787 | Pier unit and floating pier including such a pier | Koji Hirose, Takeshi Yamamoto | 1997-07-22 |
| 5537863 | Scanning probe microscope having a cantilever used therein | Takamitsu Fujiu, Shunji Watanabe, Tatsushi Nomura, Yoshinori Sango | 1996-07-23 |
| 5520232 | Puncture proof tire | Heiji Fukutake, Minoru Abe | 1996-05-28 |
| 5509676 | Shock absorber for a bicycle front fork | Heiji Fukutake, Minoru Abe | 1996-04-23 |
| 5508517 | Scanning probe type microscope apparatus | Tetsuji Onuki, Masatoshi Suzuki, Hiroyuki Matsushiro, Hideaki Ohkubo | 1996-04-16 |
| 5427579 | Control system for belt-type continuously variable transmission | Shigeru Kanehara, Hideo Koyama, Takemasa Kurokawa | 1995-06-27 |
| 5318882 | Optical recording medium containing a light stabilizer comprised of aryl nitrogen compound | Kunihiko Ootaguro, Emiko Hamada, Yosikazu Takagisi | 1994-06-07 |
| 5316006 | Electronic blood pressure meter | Katuyuki Inage, Yumi Saito, Zhang Zhimming, Osamu Shirasaki | 1994-05-31 |
| 5080946 | Optical information recording medium and recording method | Yosikazu Takagisi, Kunihiko Ootaguro, Emiko Hamada | 1992-01-14 |
| 4825116 | Transmitter-receiver of ultrasonic distance measuring device | Ichizo Itoh, Hiroshi Owada | 1989-04-25 |