Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7245361 | Method for evaluating refractive index homogeneity of optical member | Yutaka Yamaguchi, Atsushi Yanagisawa, Hiroshi Niikura | 2007-07-17 |
| 6994747 | Method for producing optical member | Hiroyuki Hiraiwa, Shigeru Sakuma, Minako Azumi | 2006-02-07 |
| 6829039 | Optical member for photolithography and method of evaluating the same | Kazumasa Endo, Hiroyuki Hiraiwa, Kazuhiro Nakagawa | 2004-12-07 |
| 5642996 | Endosseous implant | Norio Kaneko, Nobuhiro Tanaka | 1997-07-01 |
| 4708652 | Apatite composite ceramics | Takamitsu Fujiu, Makoto Ogino | 1987-11-24 |