Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809861 | Optical apparatus | Daisuke Nishiwaki, Keiji Shimizu | 2004-10-26 |
| 6807014 | Zoom photographic optical system | — | 2004-10-19 |
| 6691130 | Method for creating browsing data of an information searching apparatus and method for searching information | Tetsuo Tanaka, Yoshiaki Morimoto, Kunihisa Nitta, Kimio Tanaka | 2004-02-10 |
| 6674582 | Microscope zoom objective lens | — | 2004-01-06 |