Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33113 | Pressure sensitive recording paper | Masataka Kiritani, Masayuki Aoki | 1989-11-14 |
| 4650769 | Microcapsules for immune response | Fujio Kakimi, Yutaka Akiyoshi, Shinzo Kobayashi | 1987-03-17 |
| 4614955 | Heat sensitive recording paper | Takekatsu Sugiyama | 1986-09-30 |
| 4593298 | Heat-sensitive recording paper | Kenji Ikeda, Takayuki Hayashi, Kensuke Ikeda | 1986-06-03 |
| 4590170 | Process for preparing microcapsule reagents for immunological response | Yutaka Akiyoshi, Shinzo Kobayashi, Fujio Kakimi | 1986-05-20 |
| 4583103 | Heat-sensitive recording paper | Takayuki Hayashi, Kensuke Ikeda | 1986-04-15 |
| 4576831 | Process for producing heat-sensitive recording paper | Noriyuki Hosoi, Kensuke Ikeda | 1986-03-18 |
| 4539578 | Heat sensitive recording material | Akira Igarashi | 1985-09-03 |
| 4489337 | Heat-sensitive recording paper | Shojiro Watanabe | 1984-12-18 |
| 4471073 | Heat-sensitive recording materials | Kensuke Ikeda, Akira Igarashi, Takekatsu Sugiyama | 1984-09-11 |
| 4460626 | Heat-sensitive recording material | Sukenori Nakamura, Akira Igarashi | 1984-07-17 |
| 4460199 | Microcapsule coated sheet for pressure sensitive copying paper | Noriyuki Hosoi, Yasuhiro Ogata | 1984-07-17 |
| 4447487 | Heat-sensitive recording papers | Masakazu Maekawa | 1984-05-08 |
| 4418942 | Microcapsule sheet for pressure-sensitive recording paper | Noriyuki Hosoi, Yoshiyuki Hoshi | 1983-12-06 |
| 4415633 | Heat-sensitive recording material | Sukenori Nakamura, Akira Igarashi | 1983-11-15 |
| 4356109 | Method for preparing microcapsules | Keiso Saeki, Masato Satomura | 1982-10-26 |
| 4353809 | Process for the production of microcapsules | Yoshiyuki Hoshi | 1982-10-12 |
| 4342739 | Novel material for immunological assay of biochemical components and a process for the determination of said components | Fujio Kakimi, Nobuo Hiratsuka | 1982-08-03 |
| 4337280 | Desensitizer composition | Akio Miyamoto, Teruo Kobayashi | 1982-06-29 |
| 4333984 | Heat-sensitive recording sheets | Akira Igarashi | 1982-06-08 |
| 4263047 | Color developing ink | Akio Miyamoto | 1981-04-21 |
| 4251386 | Method for preparing microcapsules | Keiso Saeki, Masato Satomura | 1981-02-17 |
| 4221710 | Process for preparing microcapsules by polymerization of urea and formaldehyde in the presence of gum arabic | Yoshiyuki Hoshi | 1980-09-09 |