Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9891368 | Multilayer sheet | Naoki Musashi, Ippei Imagawa, Ichiro Uchijima | 2018-02-13 |
| 9372288 | Cube-corner retroreflective sheeting | — | 2016-06-21 |
| 9346419 | Sign plate | Katsuhisa Sirosaki | 2016-05-24 |
| 8728360 | Apparatus and method for producing optical sheeting | Chihiro Hayashi, Akihiro Mathuda, Hiroshi Hamada, Naotake Osaki | 2014-05-20 |
| 8517546 | Multi-directional cube corner retroreflective article | — | 2013-08-27 |
| 8511839 | Retroreflective article | Keiji Amemiya, Chihiro Hayashi | 2013-08-20 |
| 8511840 | Hexagonal cube corner retroreflective article | Keiji Amemiya, Mitsugu Shozen | 2013-08-20 |
| 8459806 | Triangular pyramid type cube corner retroreflection article, and its manufacturing method | Chihiro Hayashi, Keiji Amemiya | 2013-06-11 |
| 8388154 | Cube-corner retroreflective article | Chihiro Hayashi, Keiji Amemiya | 2013-03-05 |
| 8201953 | Cube corner type retroreflection article | — | 2012-06-19 |
| 8147075 | Printed image-set retroreflective sheeting | Keizo Takayama | 2012-04-03 |
| 7980710 | Retroreflective article | Chihiro Hayashi | 2011-07-19 |
| 7950813 | Composite triangular-pyramidal cube-corner retroreflective sheeting and retroreflective articles | — | 2011-05-31 |
| 7938549 | Retroreflective article | — | 2011-05-10 |
| 7815319 | Triangular-pyramidal cube-corner retroreflective article having curved reflective lateral face | — | 2010-10-19 |
| 7670013 | Triangular-pyramidal cube-corner retroreflective article having curved reflective lateral face | — | 2010-03-02 |
| 7598874 | Integrated-circuit enclosed retroreflective product | — | 2009-10-06 |
| 7584564 | Internally illuminated sign | Akihiro Matsuda, Yutaka Hamada | 2009-09-08 |
| 7532124 | Retroreflective display devices | — | 2009-05-12 |
| 7248169 | Recursive-reflective display devices | — | 2007-07-24 |
| 7224279 | Integrated circuit enclosed retroreflective product | — | 2007-05-29 |
| 6942350 | Triangular-pyramidal cube-corner retro-reflective sheeting | Yutaka Hamada, Takehito Takahashi | 2005-09-13 |
| 6911486 | Fluorescent retroreflective sheet | Akihiro Matsuda, Takashi Yoshioka | 2005-06-28 |
| 6899944 | Retroreflective sheeting having printed layer | Osamu Tanaka | 2005-05-31 |
| 6883921 | Retroreflection device | Yutaka Hamada | 2005-04-26 |