Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8164992 | Optical disc medium and data recording method and apparatus | Yoshinobu Usui, Akiya Saito, Yoshitake Yanagisawa | 2012-04-24 |
| 7911929 | Optical disk read only memory | Tetsuhiro Sakamoto, Jun Nakano, Takayuki Asahina, Hideo Kawachi, Yoshitake Yanagisawa +1 more | 2011-03-22 |
| 7852730 | Optical disk medium, and data recording method and device | Yoshinobu Usui, Akiya Saito, Yoshitake Yanagisawa | 2010-12-14 |
| 7236439 | Optical disc medium and data recording method and apparatus | Yoshinobu Usui, Akiya Saito, Yoshitake Yanagisawa | 2007-06-26 |
| 7177264 | Optical recording medium, manufacturing method thereof, optical recording method, optical reproduction method, optical recording device, optical reproduction device and optical recording/reproduction device | Katsuhlsa Aratani, Shinji Minegishi | 2007-02-13 |
| 6980171 | Antenna and manufacturing method for the same | Kota Maruyama, Wataru Yagi | 2005-12-27 |
| 6419764 | Hydrogen storage material | Yoshihisa Kamiya, Kunio Takahashi | 2002-07-16 |
| 5776626 | Hydrogen-occluding alloy and hydrogen-occluding alloy electrode | Kunio Takahashi, Takahiro Mishima, Akihito Isomura, Tetsuo Sakai, Hiroshi Miyamura +1 more | 1998-07-07 |
| 5690799 | Hydrogen-occluding alloy and hydrogen-occluding alloy electrode | Kunio Takahashi, Takahiro Mishima, Akihito Isomura, Tetsuo Sakai, Hiroshi Miyamura +1 more | 1997-11-25 |
| 4970487 | Pressure sensor | Yukihiro Kato, Yoshitaka Itoh, Tetsuo Oka | 1990-11-13 |