Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9584002 | Generator including a sliding member made of a biomass-containing material | Masakazu Yajima, Hideo Niikura, Yohei Fukuma | 2017-02-28 |
| 6833965 | Optical element using organic-inorganic composite material | Takayoshi Togino, Hiroaki Kinoshita | 2004-12-21 |
| 6178780 | Method of solution doping a sol gel body via immersion | — | 2001-01-30 |
| 6174828 | Gradient-index optical element and its fabrication method | Satoshi Noda, Hiroaki Kinoshita | 2001-01-16 |
| 5837023 | Process for making gradient index optical elements | Hisashi Koike | 1998-11-17 |
| 5820964 | Magnetic disk, and magnetic disk apparatus | Takayuki Nakakawaji, Shuji Imazeki, Yutaka Ito, Mitsuyoshi Shouji, Hisashi Morooka +5 more | 1998-10-13 |
| 5800233 | Process of fabricating field-emission type electron source, electron source fabricated thereby and element structure of electron source | Seiki Yano, Masao Urayama, Yoshiyuki Takegawa | 1998-09-01 |
| 5731906 | Gradient index optical element | — | 1998-03-24 |