Issued Patents All Time
Showing 101–125 of 203 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400664 | Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams | Takeshi Shimano, Kunikazu Ohnishi, Masayuki Inoue, Yukio Fukui | 2002-06-04 |
| 6396790 | Optical head and information recording and reproducing apparatus using it | Kouji Arikawa, Kazuo Shigematsu | 2002-05-28 |
| 6395835 | Thermocurable resin composition for coating | Yasushi Nakao | 2002-05-28 |
| 6304533 | Information recording/reproducing apparatus and method and information recording medium | Tsuyoshi Toda, Takeshi Maeda | 2001-10-16 |
| 6298028 | Optical head and information recording and reproducing apparatus using it | Kouji Arikawa, Kazuo Shigematsu | 2001-10-02 |
| 6295402 | Non-linear optical switch | Kazuhito Tajima | 2001-09-25 |
| 6291763 | Photoelectric conversion device and photo cell | — | 2001-09-18 |
| 6288997 | Phase change optical disk medium | Tetsuya Nishida, Makoto Miyamoto | 2001-09-11 |
| 6278548 | Polarizing diffraction grating and magneto-optical head made by using the same | Takeshi Shimano | 2001-08-21 |
| 6272100 | Information recording/reproducing apparatus and method and information recording medium | Tsuyoshi Toda, Takeshi Maeda | 2001-08-07 |
| 6272097 | Optical head and apparatus for recording and reproducing optical information through the use of the optical head | Takeshi Nakao, Toshiaki Tanaka, Takeshi Shimano | 2001-08-07 |
| 6258591 | One-pack preparation for disinfection, neutralization and cleaning of contact lenses and method of disinfection, neutralization and cleaning | Toyoaki Yoneda, Takashi Fujii, Mika Morita, Takeshi Ohnuma, Hiroshi Tanouchi | 2001-07-10 |
| 6238748 | Multilayer coating film formation process | Naruhito Ueno | 2001-05-29 |
| 6208455 | Wavelength converter | Yoshiyasu Ueno, Kazuhito Tajima | 2001-03-27 |
| 6183908 | Negative electrode material for nonaqueous secondary battery and nonaqueous secondary battery comprising same negative electrode material | Tsutomu Miyasaka | 2001-02-06 |
| 6074601 | Quench hardening jig for a cylindrical work piece | — | 2000-06-13 |
| 6049642 | Nonlinear optical switch | Kazuhito Tajima | 2000-04-11 |
| 6040015 | Process for formation of multilayer film | Yasushi Nakao | 2000-03-21 |
| 6014363 | Phase change optical disk medium | Tetsuya Nishida, Makoto Miyamoto | 2000-01-11 |
| 5947727 | Dental treatment apparatus | Shusuke Kimura, Tatsuo Okazaki | 1999-09-07 |
| 5945218 | Process for formation of multilayer film | Yasushi Nakao | 1999-08-31 |
| 5920983 | Acceleration-detecting type gyro and manufacturing method thereof | Takao Murakoshi, Takeshi Hojo, Takafumi Nakaishi | 1999-07-13 |
| 5821420 | Vibration-type gyro apparatus for calculating angular velocity | Akihiro Cho, Takeshi Hojo, Kazuteru Sato | 1998-10-13 |
| 5781985 | Method of making a gyro apparatus | Takafumi Nakaishi, Takeshi Hojo, Takao Murakoshi, Isao Masuzawa, Kazuaki Tani | 1998-07-21 |
| 5719335 | Electrostatic rate gyroscope | Takafumi Nakaishi, Takeshi Hojo, Takao Murakoshi, Isao Masuzawa, Kazuaki Tani | 1998-02-17 |