Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270074 | Magnified-projection optical system and digital type planetarium device | Katsuhiro Takamoto | 2012-09-18 |
| 7791822 | Focusing method and image-taking apparatus | — | 2010-09-07 |
| 7483225 | Taking optical system | — | 2009-01-27 |
| 7177104 | Image-taking optical system | Soh Ohzawa, Jun Ishihara, Kenji Konno | 2007-02-13 |
| 5786944 | Zoom lens system | Hitoshi Hagimori | 1998-07-28 |