Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975501 | Carbon material and production method for same | Manabu Yamatani, Tomoyuki Kotani, Kazunao Hareyama | 2021-04-13 |
| 10870929 | Polypropylene fiber and method for manufacturing polypropylene fiber | Masaki FUJIE, Hironobu Ikeda, Junya Imakita | 2020-12-22 |
| 9507077 | Resin composition for light guide article-preform, light guide article-preform, laminated light guide article-preform, light guide article for surface light source device and surface light source device | Fumiko Onuma, Minoru Shimizu, Kenji Yagi, Youhei Sechi, Yoshiya Kurachi +1 more | 2016-11-29 |
| 8795843 | Acrylic film for punching, surface light-source device and process for manufacturing optical member | Yuuhei Konokawa, Yoshiaki Satou, Kousuke Fujiyama, Yasuhiko Nabeshima | 2014-08-05 |
| 7815357 | Light guide for surface light source device and surface light source device | Kentaro Hayashi | 2010-10-19 |
| 7736045 | Area light source and lightguide used therefore | Yasuko Hayashi | 2010-06-15 |
| 7578607 | Light deflector and light source device | Masae Ono | 2009-08-25 |
| 7534024 | Optical deflector element and light source device | Masae Ono, Makoto Ookawa | 2009-05-19 |
| 7530719 | Light source device and light deflection element | Masae Ono | 2009-05-12 |
| 7522809 | Planar light source and light guide for use therein | Masae Ono | 2009-04-21 |
| 7520652 | Area light source | Yasuko Hayashi | 2009-04-21 |
| 7401962 | Light deflection element and light source apparatus using the same | Issei Chiba | 2008-07-22 |
| 7380968 | Optical deflector element and light source device | Masae Ono, Makoto Ookawa | 2008-06-03 |
| 7380969 | Planar light source system and light deflecting device therefor | Yasuko Hayashi, Issei Chiba | 2008-06-03 |
| 7226197 | Surface light source device and light guide used therefor | Yasuko Hayashi | 2007-06-05 |
| 7220038 | Light source device and light polarizing element | Issei Chiba | 2007-05-22 |
| 7201510 | Edge lighted device with polarization | Yasuko Hayashi | 2007-04-10 |
| 7153017 | Light deflection element and light source apparatus using the same | Issei Chiba | 2006-12-26 |
| 7139464 | Surface light source and light guide used therefor | Hiroki Matsumoto | 2006-11-21 |
| 7128456 | Light source device | Issei Chiba | 2006-10-31 |
| 7008099 | Light source device | Issei Chiba | 2006-03-07 |
| 7004610 | Light source device | Yasuko Hayashi | 2006-02-28 |
| 6986599 | Light source device | Issei Chiba | 2006-01-17 |
| 6874902 | Light source device | Issei Chiba | 2005-04-05 |
| 6669350 | Planar light source system and light deflecting device therefor | Yasuko Hayashi, Issei Chiba | 2003-12-30 |