Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202304 | Recording medium | Yuuichi Fukushige, Shintaro Washizu | 1993-04-13 |
| 5128309 | Recording material | Koreshige Ito, Shojiro Sano | 1992-07-07 |
| 5091280 | Light- and heat-sensitive recording material | Jun Yamaguchi, Shintaro Washizu, Hirotaka Matsumoto, Yuuichi Fukushige | 1992-02-25 |
| 5051333 | Optical image-recording material | Naoto Yanagihara, Tosiaki Endo, Keiso Saeki | 1991-09-24 |
| 4999333 | Heat sensitive recording material | Toshimasa Usami, Seiji Hatakeyama, Akihiro Shimomura | 1991-03-12 |
| 4994431 | Heat-sensitive recording material | Naoto Yanagihara, Masato Satomura, Takayuki Hayashi | 1991-02-19 |
| 4985391 | Heat-sensitive recording material | Kenji Ikeda, Masanobu Takashima | 1991-01-15 |
| 4981836 | Recording material | Naoto Yanagihara, Hiroo Fukunaga, Akira Igarashi | 1991-01-01 |
| 4981835 | Recording material | Naoto Yanagihara, Takayuki Hayashi | 1991-01-01 |
| 4923781 | Photopolymerizable composition containing 3,6-diaminofluoran compounds | Sadao Fujikura, Masayuki Iwasaki, Minoru Maeda | 1990-05-08 |
| 4920091 | Recording material | Shojiro Sano, Masato Satomura, Koreshige Ito, Katsumi Matsuoka | 1990-04-24 |
| 4918047 | Heat-sensitive recording material | Kensuke Ikeda, Masato Satomura | 1990-04-17 |
| 4918045 | Recording material | Katsumi Matsuoka, Masanobu Takashima, Keiso Saeki | 1990-04-17 |
| 4914219 | Process for preparing zinc salt of salicylic acid compound | Masato Satomura | 1990-04-03 |
| 4891297 | Heat-sensitive diazo recording material with thiohydroquinone | Masanobu Takashima, Masato Satomura, Kimio Ichikawa | 1990-01-02 |
| 4888321 | Heat-sensitive recording materials | Hiroshi Kawakami, Akira Igarashi | 1989-12-19 |
| 4882311 | Heat-sensitive recording material | Kenji Ikeda, Masanobu Takashima | 1989-11-21 |
| 4876233 | Recording material | Keiso Saeki, Shojiro Sano, Katsumi Matsuoka, Masanobu Takashima | 1989-10-24 |
| 4871713 | Heat-sensitive recording material | Katsumi Matsuoka, Kensuke Ikeda | 1989-10-03 |
| 4870048 | Color developer sheet | Katsumi Matsuoka, Shojiro Sano, Keiso Saeki, Masanobu Takashima | 1989-09-26 |
| 4861748 | Recording material | Keiso Saeki, Masanobu Takashima | 1989-08-29 |
| 4855278 | Heat-sensitive recording material | Akira Igarashi, Masato Satomura | 1989-08-08 |
| 4855282 | Recording material and method for producing the same | Masato Satomura, Masanobu Takashima, Akira Igarashi | 1989-08-08 |
| 4847236 | Recording material | Masato Satomura, Akira Igarashi | 1989-07-11 |
| 4839332 | Heat-sensitive recording material | Kensuke Ikeda, Naoto Yanagihara | 1989-06-13 |