Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624050 | Method of manufacturing semiconductor device | Takeshi Matsushita | 2003-09-23 |
| 6222118 | Semiconductor device and method of manufacturing the same | Takeshi Matsushita | 2001-04-24 |
| 5885490 | Continuous sheet having optical functions | Osamu Kawaguchi, Tsuneo Ando, Takumi Kosugi | 1999-03-23 |
| 5844720 | Prism sheet | Takumi Kosugi, Osamu Kawaguchi, Tetsuro Taen, Kenji Kawashima, Yu Tsuyama | 1998-12-01 |
| 5430120 | Modified silicone release agent | Ryoichi Kitamura | 1995-07-04 |
| 5366681 | Method of manufacturing release sheet | Ryoichi Kitamura | 1994-11-22 |
| 5213743 | Method of manufacturing release paper | Ryoichi Kitamura | 1993-05-25 |
| 5188395 | Waterproof recording material having ground patterns and its manufacturing method | Hiroshi Kawahara, Noriaki Okunaka, Mitsuru Kobayashi, Isao Tokuno | 1993-02-23 |
| 5139835 | Synthetic resin laminated paper | Ryoichi Kitamura | 1992-08-18 |
| 4937110 | Laminated material for hot and cold cups and its manufacturing method | Ryoichi Kitamura, Hiroshi Kawahara, Noriaki Okunaka, Yoshimi Enomoto | 1990-06-26 |
| 4855280 | Developer sheet | Hiroshi Kawahara | 1989-08-08 |
| 4784919 | Transfer paper for imparting stereographic pattern and manufacturing method thereof | Isao Tokuno | 1988-11-15 |
| 4702874 | Manufacturing method of release paper | Ryoichi Kitamura | 1987-10-27 |