Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972903 | Visual aid | Hideo Hara, Fumiaki Koizumi, Yasuhiro Sakai | 2005-12-06 |
| 6844987 | Zoom lens system for covering superwide-angle area | Hiroshi Endo, Michio Cho | 2005-01-18 |
KS
Kazunaga Shimizu
Nittoh Kogaku K.K.: 1 patents #1 of 5Top 20%
Unknown: 1 patents #178 of 2,395Top 8%
Overall (2005): #47,950 of 245,428Top 20%
2
Patents 2005