Issued Patents All Time
Showing 1–25 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459431 | Method for producing polyacrylic acid (salt)-based water absorbent resin | Motohiro Imura, Katsuyuki Wada, Seiji Kato | 2022-10-04 |
| 11247636 | Vehicle electronic key system and in-vehicle device | — | 2022-02-15 |
| 10662300 | Method for producing polyacrylic acid (salt)-based water-absorbent resin | Motohiro Imura, Seiji Kato | 2020-05-26 |
| 9956723 | Method for sealing a joint | Atsushi Kodera, Shinichi Kotani, Kazuki Yoshikawa, Masaaki Inuma | 2018-05-01 |
| 9443182 | Card key | — | 2016-09-13 |
| 9321855 | Method for producing water absorbent resin | Toshihiro Takaai, Shinichi Fujino | 2016-04-26 |
| 9315640 | Polyacrylic acid-type water absorbent resin and method for producing same | Toshihiro Takaai, Sinichi Fujino | 2016-04-19 |
| 9074030 | Polyacrylic acid-type water absorbent resin and method for producing same | Toshihiro Takaai, Shinichi Fujino | 2015-07-07 |
| 8909002 | Light modulator, optical pickup, and light modulation module | Tatsuya Takaoka, Kousei Sano | 2014-12-09 |
| 8837264 | Optical information device, optical disc driving device, optical information recording device, optical information reproducing device, gap control method, and optical pickup | Keiichi Matsuzaki, Kousei Sano, Tatsuya Takaoka | 2014-09-16 |
| 8780683 | Information recording medium, tracking method, and optical information apparatus | Kousei Sano, Tatsuya Takaoka, Keiichi Matsuzaki | 2014-07-15 |
| 8766869 | Antenna apparatus | Yuuji Kakuya, Akira Takaoka, Kouji Yamashita | 2014-07-01 |
| 8623994 | Method for producing water absorbent resin | Toshihiro Takaai, Shinichi Fujino | 2014-01-07 |
| 8614938 | Objective lens unit, optical pickup, and optical information apparatus | Yoshiaki Komma, Kanji Wakabayashi, Kousei Sano, Toshiyasu Tanaka, Keiichi Matsuzaki | 2013-12-24 |
| 8570845 | Optical head and optical information device | Hideki Nakata, Masahito Nakao | 2013-10-29 |
| 8488431 | Optical head and optical information device | Hideki Nakata | 2013-07-16 |
| 8483034 | Optical pickup, inclination angle detection method, optical information device and information processing device | Kousei Sano, Keiichi Matsuzaki, Sadao Mizuno | 2013-07-09 |
| 8320227 | Objective lens unit, optical pickup, and optical information apparatus | Yoshiaki Komma, Kanji Wakabayashi, Kousei Sano, Toshiyasu Tanaka, Keiichi Matsuzaki | 2012-11-27 |
| RE43540 | Optical pickup, optical disc drive device, and optical information device | Keiichi Matsuzaki, Yoshiaki Komma, Toshiyasu Tanaka, Kousei Sano, Kanji Wakabayashi | 2012-07-24 |
| 8213288 | Optical information reproducing apparatus, information reproducing method of optical information reproducing apparatus, program and recording medium | Osamu Kajino, Haruhisa Yagi | 2012-07-03 |
| 8194521 | Optical disc device, video reproducing apparatus, server, car navigation system using the optical disc device, integrated circuit and recording/reproducing method | Yoshiaki Komma, Takeshi Shimamoto | 2012-06-05 |
| 8184522 | Optical head for optical recorder/reproducer | Sadao Mizuno, Yoshiaki Komma, Keiichi Matsuzaki | 2012-05-22 |
| 8144564 | Optical head and optical information device | Yoshiaki Komma, Kanji Wakabayashi, Kousei Sano, Toshiyasu Tanaka, Keiichi Matsuzaki | 2012-03-27 |
| 8000209 | Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disk server for use with a light source which emits a divergent beam | Toshiyasu Tanaka, Yoshiaki Komma, Kousei Sano, Keiichi Matsuzaki, Kanji Wakabayashi | 2011-08-16 |
| 7944798 | Objective lens unit, optical pickup, and optical information device having ultraviolet-transmissive lens holder | Yoshiaki Komma, Kanji Wakabayashi, Kousei Sano, Toshiyasu Tanaka, Keiichi Matsuzaki | 2011-05-17 |