Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668382 | Method for evaluating life of cable insulating coating material | Kyoko Honbo, Motoko Harada, Takanori Yamazaki, Daisuke Abe, Yoshiaki Nakamura | 2014-03-11 |
| 8085220 | Plasma display apparatus | Shunichiro Nobuki, Norihiro Uemura, Masakazu Sagawa, Keizo Suzuki, Yoshiro Mikami +1 more | 2011-12-27 |
| 7952650 | Reflector and projection type display apparatus | Hiroshi Sasaki, Kiyomi Nakamura, Sadayuki Nishimura, Koji Hirata, Kei Adachi | 2011-05-31 |
| 7474818 | Optical switch and method of using the same | Yuichi Sawai, Takashi Naito, Kensuke Matsui | 2009-01-06 |
| 7459194 | Optical information recording medium, manufacturing method of the same and optical information recording and reproducing apparatus | Hiroki Yamamoto, Yuuichi Sawai, Takashi Naito | 2008-12-02 |
| 7273681 | Non-aqueous secondary battery having negative electrode including graphite powder | Hidetoshi Honbo, Seiji Takeuchi, Tatsuo Horiba, Yasushi Muranaka, Yoshito Ishii | 2007-09-25 |
| 6900927 | Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same | Mitsutoshi Honda, Yuichi Sawai, Hiroyuki Akata, Takashi Naito | 2005-05-31 |
| 6870983 | Optical switch, element therefor, and optical switching method | Yuuichi Sawai, Mitsutoshi Honda, Takashi Naitou, Hiroyuki Akata, Tsukasa Ookawa | 2005-03-22 |
| 6835215 | Non-aqueous secondary battery and a method of manufacturing graphite powder | Hidetoshi Honbo, Seiji Takeuchi, Tatsuo Horiba, Yasushi Muranaka, Yoshito Ishii | 2004-12-28 |
| 6804043 | Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same | Mitsutoshi Honda, Yuichi Sawai, Hiroyuki Akata, Takashi Naito | 2004-10-12 |
| 6383467 | Non-aqueous secondary battery and a method of manufacturing graphite powder | Hidetoshi Honbo, Seiji Takeuchi, Tatsuo Horiba, Yasushi Muranaka, Yoshito Ishii | 2002-05-07 |
| 6268086 | Non-aqueous secondary battery and a method of manufacturing graphite powder | Hidetoshi Honbo, Seiji Takeuchi, Tatsuo Horiba, Yasushi Muranaka, Yoshito Ishii | 2001-07-31 |