Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8373692 | Light modulator, projection display apparatus and image projection method | Yuji Uchiyama, Masato Furuya, Tatsuru Kobayashi, Ryo Nishima, Motoshi Tohda +3 more | 2013-02-12 |
| 8187530 | Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring | Tomoko Sugimura, Koichi Sakamoto, Atsuhiko Yoshida, Takeshi Inoue | 2012-05-29 |
| 7615099 | Method for producing high cleanness steel excellent in fatigue strength or cold workability | Koichi Sakamoto, Tomoko Sugimura, Atsuhiko Yoshida, Sumie Suda | 2009-11-10 |
| 7608130 | Method for producing high cleanliness steel excellent in fatigue strength or cold workability | Koichi Sakamoto, Tomoko Sugimura, Atsuhiko Yoshida, Sumie Suda | 2009-10-27 |
| 6328820 | Spring steel superior in fatigue properties | Yoshinori Yamamoto, Masaki Nitta, Daisuke Ogura, Takeshi Kuroda | 2001-12-11 |