Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055373 | Multicolor recording material | Fumiaki Shinozaki, Toshiaki Endo | 1991-10-08 |
| 5051333 | Optical image-recording material | Naoto Yanagihara, Ken Iwakura, Tosiaki Endo | 1991-09-24 |
| 5035974 | Light-image forming material | Toshiaki Endo | 1991-07-30 |
| 4985331 | Multi-color recording materials | Fumiaki Shinozaki, Yutaka Fujita | 1991-01-15 |
| 4981769 | Light image forming material | Tosiaki Endo | 1991-01-01 |
| 4962009 | Microcapsule containing photo-oxidizing agent and leuco dye | Shintaro Washizu, Jun Yamaguchi, Fumiaki Shinozaki, Akihiro Shimomura, Toshimasa Usami +1 more | 1990-10-09 |
| 4942107 | Image-forming material and image recording method using the same | Tosiaki Endo, Masato Satomura, Fumiaki Shinozaki | 1990-07-17 |
| 4929530 | Light image forming material and image-recording method using such | Tosiaki Endo | 1990-05-29 |
| 4918045 | Recording material | Katsumi Matsuoka, Masanobu Takashima, Ken Iwakura | 1990-04-17 |
| 4888334 | Pressure-sensitive microcapsule sheet | Kunihiko Ohga | 1989-12-19 |
| 4876233 | Recording material | Shojiro Sano, Katsumi Matsuoka, Masanobu Takashima, Ken Iwakura | 1989-10-24 |
| 4870048 | Color developer sheet | Katsumi Matsuoka, Shojiro Sano, Masanobu Takashima, Ken Iwakura | 1989-09-26 |
| 4861748 | Recording material | Masanobu Takashima, Ken Iwakura | 1989-08-29 |
| 4849397 | Pressure-sensitive recording medium | Shojiro Sano | 1989-07-18 |
| 4840927 | Desensitizer composition | Shojiro Sano | 1989-06-20 |
| 4822768 | Pressure sensitive recording sheet | Kunihiko Ohga | 1989-04-18 |
| 4820684 | Pressure-sensitive recording sheet | Shojiro Sano | 1989-04-11 |
| 4803192 | Recording material | Masanobu Takashima, Ken Iwakura | 1989-02-07 |
| 4800193 | Recording material | Masanobu Takashima, Ken Iwakura, Takekatsu Sugiyama, Masato Satomura | 1989-01-24 |
| 4792543 | Pressure-sensitive recording sheet | Shojiro Sano | 1988-12-20 |
| 4791094 | Recording sheet | Shojiro Sano | 1988-12-13 |
| 4778781 | Pressure-sensitive recording paper containing microcapsules | Shintarou Washizu, Sumitaka Tatsuta | 1988-10-18 |
| 4769305 | Pressure-sensitive recording material | Shojiro Sano | 1988-09-06 |
| 4761397 | Microcapsule sheet for pressure-sensitive copying | Shunsaku Higashi, Shojiro Sano | 1988-08-02 |
| 4725315 | Desensitizer composition for color developer sheet in pressure sensitive recording system contains a piperidine derivative | Shojiro Sano | 1988-02-16 |