Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586088 | Transmission control system for facsimile transceiver | — | 1986-04-29 |
| 4580153 | Record material | Nobuo Kanda, Akio Noguchi, Yukio Takayama | 1986-04-01 |
| 4571633 | High-speed facsimile machine capable of parallel processing | — | 1986-02-18 |
| 4539600 | Image signal processing with a variable threshold | Shuichi Takahashi, Kazuhiro Yuasa | 1985-09-03 |
| 4536220 | Fluoran derivatives as new compounds and recording system utilizing the same as colorless chromogenic material | Hiroshi Iwasaki, Haruo Omura, Nobuo Kanda | 1985-08-20 |
| 4524373 | Fluoran derivatives as new compounds, process for preparing the same and recording system utilizing the same as colorless chromogenic material | Hiroshi Iwasaki, Nobuo Kanda, Masayuki Omatsu, Haruo Omura | 1985-06-18 |
| 4496987 | Conversion of an analog image signal into a binary image signal | Kazuhiro Yuasa, Shuichi Takahashi | 1985-01-29 |
| 4443614 | Triarylmethane derivatives | Kiyoshi Yasui, Makoto Miyake, Hiroshi Iwasaki, Tetsuo Shiraishi | 1984-04-17 |
| 4439610 | Process for preparing triarylmethane derivatives | Kiyoshi Yasui, Makoto Miyake, Hiroshi Iwasaki, Tetsuo Shiraishi | 1984-03-27 |
| 4386373 | Facsimile apparatus | Akira Konishi | 1983-05-31 |
| 4349454 | Preparation of aqueous medium suitable for preparing microcapsules | Hiroshi Iwasaki, Shinsuke Irii | 1982-09-14 |
| 4323700 | Process for preparing benzophenone derivatives | Hiroshi Iwasaki, Kiyoshi Yasui, Makoto Miyake | 1982-04-06 |
| 4310859 | Paper cutter for facsimile apparatus | Shuichi Takahashi | 1982-01-12 |
| 4262294 | Electrostatic printing apparatus comprising improved electrode drive means | Kazuyuki Hara, Takeshi Kamada, Noboru Furukawa, Tamio Ohori | 1981-04-14 |
| 4228031 | Method of making impermeable microcapsules | Hiroshi Iwasaki, Shigeo Okamoto | 1980-10-14 |
| 4226912 | Heat-sensitive recording material | Hiroshi Iwasaki, Takeshi Murakami | 1980-10-07 |