Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197203 | Filtration method and filtration apparatus | Hiroshi Ishida, Itsuo Uragami | 2001-03-06 |
| 5118470 | Fine copper wire for electronic instruments and method of manufacturing the same | Toru Tanigawa, Masaaki Kurihara, Yasuji Fujii | 1992-06-02 |
| 4990486 | Thermal transfer image receiving material | Tetsu Kamosaki | 1991-02-05 |
| 4986856 | Fine copper wire for electronic instruments and method of manufacturing the same | Toru Tanigawa, Masaaki Kurihara, Yasuji Fujii | 1991-01-22 |