Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841582 | Zoom lens optical system | — | 1998-11-24 |
| 5418648 | Varifocal lens system | — | 1995-05-23 |
| 5353161 | Variable focal length lens | — | 1994-10-04 |
| 5311363 | Fixed-focal-length lens system | Masao Mori | 1994-05-10 |
| 5231088 | Chemicals for protection of plant and removal of plant virus, and producing method thereof | Yoichi Mikami, Michiko Aoki, Motomu Tan, Susumu Kubo, Tadaharu Hieda +1 more | 1993-07-27 |
| 4501314 | Casting support apparatus for continuous casting equipment | Masaru Wakabayashi | 1985-02-26 |
| 4440211 | Apparatus for hoisting roll segments in continuous casting equipment | — | 1984-04-03 |