Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672559 | Reversible thermal recording medium and method of producing the same | Niro Watanabe, Yuji Nakatsu, Masaru Ohnishi | 1997-09-30 |
| 5658845 | Reversible thermal recording medium and method of producing the same | Niro Watanabe, Yuji Nakatsu, Masaru Ohnishi | 1997-08-19 |
| 5637551 | Reversible thermal recording medium and method of producing same | Niro Watanabe, Yuji Nakatsu, Masaru Ohnishi | 1997-06-10 |
| 5537138 | Recording and erasing system for themoreversible recording medium | Masaru Ohnishi | 1996-07-16 |
| 5534906 | Electric field assisted thermal recording apparatus | Masaru Ohnishi, Yoshiaki Odai, Ryoji Arima | 1996-07-09 |
| 5274460 | Method of and apparatus for rewritable recording and erasing and rewritable recording film | Masaru Ohnishi | 1993-12-28 |
| 5231505 | Rewritable recording display apparatus and method of erasing record | Niro Watanabe, Yoshihiro Hino, Masashi Tamura, Masaru Ohnishi, Takashi Hiroishi +1 more | 1993-07-27 |
| 5131767 | Halftone printing system | Etsuo Hatabe, Masaru Ohnishi | 1992-07-21 |
| 5126757 | Multi-gradation image recording apparatus | — | 1992-06-30 |