Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489501 | Recording composition | Masafumi Torii | 1996-02-06 |
| 5478600 | Process for coating ferrous product with Al-Zn-Si alloy | Masanori Takeda, Youichiro Suzuki | 1995-12-26 |
| 5447900 | Thermosensitive recording material | Hideo Suzaki, Keishi Taniguchi, Hiromi Furuya | 1995-09-05 |
| 5446011 | Thermosensitive recording material | Masafumi Torii | 1995-08-29 |
| 5308710 | Al-Zn-Si base alloy coated product | Masanori Takeda, Youichiro Suzuki | 1994-05-03 |
| 5306687 | Thermosensitive recording material | Hiromi Furuya, Keishi Taniguchi, Masafumi Torii, Shoji Maruyama, Keishi Kubo | 1994-04-26 |
| 5126486 | Phenolic compounds | Hiromi Furuya | 1992-06-30 |
| 5024699 | Leuco dyes and recording materials using the same | Kiyotaka Iiyama, Masahiro Nakata, Kaoru Kodera, Osamu Miyazaki | 1991-06-18 |
| 4985345 | Recording material | Hiromi Furuya, Hisanori Shimada, Masahiro Nakata, Kaoru Kodera, Kouji Oohara +1 more | 1991-01-15 |
| 4981970 | Coloring phthalide compounds | Kiyotaka Iiyama | 1991-01-01 |
| 4978651 | Phenolic compounds and recording material comprising the same | Hiromi Furuya | 1990-12-18 |
| 4940691 | Coloring phthalide compounds and recording materials using the compounds as coloring component | Kiyotaka Iiyama | 1990-07-10 |
| 4925828 | Leuco dyes and recording materials using the same | Kiyotaka Iiyama, Masahiro Nakata, Kaoru Kodera, Osamu Miyazaki | 1990-05-15 |
| 4880762 | Coloring phthalide compounds, method of producing the compounds and recording materials using any of the compounds as coloring component | Kiyotaka Iiyama | 1989-11-14 |