Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7184638 | Electromagnetic wave frequency filter | Susumu Noda, Hitomichi Takano | 2007-02-27 |
| 7178637 | Both-way movable body driving mechanism and elevator using the same | Yosuke Goda, Kenichi Yamamoto, Mamoru Harada | 2007-02-20 |
| 7168073 | Program distribution system for discarding program on reception terminal side | Nobuki Tominaga | 2007-01-23 |
| 7120344 | Two-dimensional photonic crystal cavity and channel add/drop filter | Susumu Noda, Yoshihiro Akahane | 2006-10-10 |
| 6996319 | Two-dimensional photonic crystal optical resonator and optical reflector using interference between point defects | Susumu Noda | 2006-02-07 |
| 6659471 | Gasket for sealing tri-face area | Shingo Mori, Kazuyuki Geshi, Kazuya Hiroshima, Kazuya Yoshijima, Masao Murayama | 2003-12-09 |
| 5538193 | Waste paper processing system | Hitoshi Takahashi | 1996-07-23 |
| 5477976 | Brightening chemical polishing solution for hardened steel article and method of chemically polishing said article in the solution | Kenichi Suzuki, Masaki Kajino, Kazuyoshi Ogawa, Mineo Ogino, Hideo Aihara +3 more | 1995-12-26 |
| 5427321 | Waste paper processing system | Hitoshi Takahashi | 1995-06-27 |
| 5256316 | Brightening chemical polishing solution for hardened steel article | Kenichi Suzuki, Masaki Kajino, Kazuyoshi Ogawa, Mineo Ogino, Hideo Aihara +3 more | 1993-10-26 |
| 4985891 | ISDN system having subscriber line multiplexer with means for establishing different data links through D-channels on subscriber line and high rate transmission line | Ryuhei Fujiwara, Yasuo Fukazawa | 1991-01-15 |
| 4811305 | Semiconductor memory having high-speed serial access scheme | Hiroshi Watanabe, Hiroaki Ikeda, Shuichi Imazeki, Yoshitaka Shiiya, Yasushi Nishikawa | 1989-03-07 |