Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8992634 | Method for dyeing plastic lens | Takaaki Kubotera, Shinya Miyajima | 2015-03-31 |
| 7813036 | Optical properties restoration apparatus, the restoration method, and an optical system used in the apparatus | Satoshi Sakai, Shigenori Tsuruga, Hideo Yamakoshi, Shizuma Kuribayashi, Minoru Danno +1 more | 2010-10-12 |
| 7733563 | Optical properties restoration apparatus, the restoration method, and an optical system used in the apparatus | Satoshi Sakai, Shigenori Tsuruga, Hideo Yamakoshi, Shizuma Kuribayashi, Minoru Danno +1 more | 2010-06-08 |
| 7453630 | Optical properties apparatus, the restoration method, and an optical system used in the apparatus | Satoshi Sakai, Shigenori Tsuruga, Hideo Yamakoshi, Shizuma Kuribayashi, Minoru Danno +1 more | 2008-11-18 |
| 7440206 | Optical properties restoration apparatus, the restoration method, and an optical system used in the apparatus | Satoshi Sakai, Shigenori Tsuruga, Hideo Yamakoshi, Shizuma Kuribayashi, Minoru Danno +1 more | 2008-10-21 |
| 7190512 | Optical properties restoration apparatus, the restoration method, and an optical system used in the apparatus | Satoshi Sakai, Shigenori Tsuruga, Hideo Yamakoshi, Shizuma Kuribayashi, Minoru Danno +1 more | 2007-03-13 |
| 7064323 | Chemical substance detection apparatus and chemical substance detection method | Hideo Yamakoshi, Minoru Danno, Shigenori Tsuruga, Shizuma Kuribayashi | 2006-06-20 |
| 6573493 | Method and apparatus for laser analysis of dioxins | Yasuhiro Takatsudo | 2003-06-03 |
| 6058848 | Underwater and land travel system | Kenjiro Futami | 2000-05-09 |
| 5775226 | Underwater and land travel vehicle | Kenjiro Futami | 1998-07-07 |
| 5215016 | Rail type underwater travel vehicle | — | 1993-06-01 |