Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10493439 | Carbon-containing solid acid having sulfonate group | Hiroshi Shioyama, Hiroaki Sakurai, Qiang Xu, Yutaka Kimura | 2019-12-03 |
| 8985634 | Anti-counterfeit printed matter, method of manufacturing the same, and recording medium storing halftone dot data creation software | Susumu Kiuchi, Kayoko Satoh, Kazuya Ohshima | 2015-03-24 |
| 8876167 | Anti-counterfeit printed matter | Toshihiro Kimura, Yoshinobu Matsumoto, Kenichiro Yoneyama | 2014-11-04 |
| 8055064 | Printed product, printed product detection method and detection apparatus, and authentication method and authentication apparatus | Yoshinobu Matsumoto | 2011-11-08 |
| 7243952 | Authenticatable printed matter, and method for producing the same | Kazuhiko Shimada, Hisashi Okumura | 2007-07-17 |
| 6641937 | Transparent conductive film and process for producing the film | Kensuke Murai, Shigeharu Tamura, Norimasa Umesaki, Jiro Matsuo, Isao Yamada | 2003-11-04 |
| 5804255 | Method of forming transparent and conductive ultrathin films | Akiyoshi Chayahara | 1998-09-08 |
| 5786094 | Transparent and conductive ultrathin film and method of producing same | Akiyoshi Chayahara | 1998-07-28 |
| 5700546 | Seal or bearing | Kanenaga Fujii, Hiroshi Nagasaka, Yoshikazu Kimura, Naoki Tsuchiya | 1997-12-23 |