Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11576632 | Intraoral sensor and method for producing intraoral sensor | Kazuhisa Miyaguchi | 2023-02-14 |
| 11129580 | Intraoral sensor and method for producing intraoral sensor | Kazuhisa Miyaguchi | 2021-09-28 |
| 7284270 | IC card and card certification method | Nobuyuki Ishii, Hideki Takahashi, Ryoji Hattori | 2007-10-16 |
| 7097726 | Identification card preparation method and protective layer transfer foil | Ryoji Hattori | 2006-08-29 |
| 7018872 | Organic thin-film transistor, organic thin-film transistor sheet and manufacturing method thereof | Katsura Hirai | 2006-03-28 |
| 6638635 | IC-mounted card substrate and IC-mounted personal-data certification card | Ryoji Hattori, Nobuyuki Ishii | 2003-10-28 |
| 6447979 | Image recording body | Ryoji Hattori, Hideki Takahashi, Seiji Hidaka | 2002-09-10 |
| 6436584 | Image-recording medium, method for forming image-recording medium, method and apparatus for reading data | Taketo Nozu | 2002-08-20 |
| 6413687 | Transfer foil and image recording material, and method for preparing image recording material | Ryoji Hattori, Hideki Takahashi, Seiji Hidaka | 2002-07-02 |
| 5534372 | IC card having image information | Kunihiro Koshizuka, Masataka Takimoto, Tomonori Kawamura | 1996-07-09 |
| 5489567 | Method for treating thermally transferred image | Kunihiro Koshizuka, Masataka Takimoto, Tomonori Kawamura | 1996-02-06 |
| 5407893 | Material for making identification cards | Kunihiro Koshizuka, Masataka Takimoto, Tomonori Kawamura | 1995-04-18 |
| 5378675 | Thermal transfer recording image receiving sheet | Toshihisa Takeyama, Kunihiro Koshizuka | 1995-01-03 |
| 5358582 | ID card and method of its production | Kunihiro Koshizuka, Atsushi Nakajima, Tomonori Kawamura | 1994-10-25 |
| 5330961 | Image receiving sheet for thermal transfer recording and process for preparing the same | Toshihisa Takeyama, Kunihiro Koshizuka | 1994-07-19 |
| 5322832 | Image-receiving sheet for thermal-transfer recording medium | Toshihisa Takeyama, Naoyo Suzuki | 1994-06-21 |
| 5280005 | Image receiving sheet for thermal transfer recording | Atsushi Nakajima, Tomonori Kawamura, Kunihiro Koshizuka | 1994-01-18 |
| 5279884 | Thermal-transfer recording medium | Hiroshi Watanabe, Takao Abe | 1994-01-18 |
| 5254525 | Thermal transfer image recording material and method of its production | Atsushi Nakajima, Tomonori Kawamura, Kunihiro Koshizuka | 1993-10-19 |
| 5246910 | Image-receiving sheet for thermal transfer recording and a thermal transfer recording method | Kunihiro Koshizuka, Atsushi Nakajima, Tomonori Kawamura, Toshihisa Takeyama | 1993-09-21 |
| 5198284 | Thermal transfer recording medium | Hiroshi Watanabe, Masataka Takimoto, Athushi Nakajima | 1993-03-30 |
| 5182160 | Thermal-transfer recording medium | Hiroshi Watanabe, Takao Abe | 1993-01-26 |
| 4973987 | Thermal recording head | Kunihiro Koshizuka, Shigeru Mano, Takao Abe | 1990-11-27 |
| 4792496 | Thermal transfer recording medium | Kunihiro Koshizuka, Takao Abe | 1988-12-20 |
| 4755432 | Thermal transfer recording medium | Masao Asano, Yoshiaki Shimizu, Takao Abe | 1988-07-05 |