Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751793 | Method of manufacturing glass molded product and lower die for molding glass | Yoshihiro Kamada, Tadafumi Sakata | 2017-09-05 |
| 9505647 | Method of manufacturing barrel-integrated lens | — | 2016-11-29 |
| 8997523 | Method of manufacturing glass molding | — | 2015-04-07 |
| 8665425 | Eccentricity measuring method | Masahiro Okitsu, Youichi Ogawa, Kyu Takada | 2014-03-04 |
| 8646290 | Method of manufacturing a glass optical element | Yoshihiro Kamada, Kojiro Takatori, Kazunari Tada | 2014-02-11 |
| 8596093 | Optical element manufacturing method and optical element | Yoshihiro Kamada | 2013-12-03 |
| 8542474 | Electrostatic chuck | Hiroshi Yonekura, Akihiro Kuribayashi, Hidehiro Komatsu | 2013-09-24 |
| 8408030 | Device for manufacturing molded glass body | Yoshihiro Kamada | 2013-04-02 |
| 7612323 | Optical element for condensing incident light | Masahiro Okitsu, Kenji Konno, Hiroshi Hatano | 2009-11-03 |
| 7304392 | Die for forming an optical element, and production method as well as regeneration method of the same | Shuhei Hayakawa, Shunichi Hayamizu, Naoyuki Fukumoto | 2007-12-04 |
| 6791935 | Optical head, and optical recording and reproducing apparatus | Hiroshi Hatano, Akira Sato, Yujiro Suzuki | 2004-09-14 |