Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999392 | Optical recording method and optical recording medium | Tatsuya Kato, Hajime Utsunomiya, Hiroyasu Inoue, Hiroshi Shingai | 2006-02-14 |
| 6862987 | Porous resin stamp | Shigeru Kitahara, Yasuo Nagasawa, Yuji Tanaka | 2005-03-08 |
| 6645418 | Method of producing a porous resin stamp | Shigeru Kitahara, Yasuo Nagasawa, Yuji Tanaka | 2003-11-11 |
| 6605328 | Optical recording medium | Hiroshi Shingai, Hiroyasu Inoue, Tatsuya Kato, Hajime Utsunomiya | 2003-08-12 |
| 4470791 | Pipe die for underwater pelletizer | Yoshiki Maki, Kanzaburo Kubota | 1984-09-11 |
| 4305340 | Method of forming a box-shaped structure from a foldable metal sheet | Takashi Iwaki, Takeji Tanaka, Hiroshi Tanaka | 1981-12-15 |
| 4230058 | Method and apparatus for manufacturing box-shaped structure from metal sheet | Takashi Iwaki, Takeji Tanaka, Hiroshi Tanaka | 1980-10-28 |