Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664838 | Illumination device having a light guide having convex and concave patterns | — | 2017-05-30 |
| 9645300 | Lighting device | — | 2017-05-09 |
| 8944575 | Pressure-regulating valve and liquid droplet ejection apparatus having the same | Toshihiro YOKOZAWA, Takahiro Yamashita | 2015-02-03 |
| 8823249 | Irradiation device and irradiation method | Shinichi Nakamura | 2014-09-02 |
| 8641176 | Pressure-regulating valve and liquid droplet ejection apparatus | Toshihiro YOKOZAWA, Takahiro Yamashita | 2014-02-04 |
| 8376529 | Pressure-regulating valve and liquid droplet ejection apparatus having the same | Toshihiro YOKOZAWA, Takahiro Yamashita | 2013-02-19 |
| 8159632 | Surface light source element and image display apparatus including the same | — | 2012-04-17 |
| 7883254 | Light guide plate, production method therefor, and surface light source device provided with it | Yukihiro Yanagawa | 2011-02-08 |
| 7668429 | Light-diffusive methacrylic resin light guide and surface light source device comprising the same | Iichiro Fukuda, Yoshiki Mukoo | 2010-02-23 |
| D289895 | Vehicular telephone set | Masato Shibayama, Atsushi Murata, Toshiyuki Hasegawa | 1987-05-19 |
| D283509 | Telephone | Masato Shibayama, Takeshi Abe, Yoshifumi Asakawa, Kazuhisa Ogawa | 1986-04-22 |
| D273784 | Telephone | Masato Shibayama, Takeshi Abe, Yoshifumi Asakawa, Kazuhisa Ogawa | 1984-05-08 |
| D273381 | Telephone | Takeshi Abe, Masato Shibayama, Yoshifumi Asakawa | 1984-04-10 |