Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158655 | Optical film and eyewear | Tomoyuki Hayasaki | 2024-12-03 |
| 11022732 | Optical film for eyewear, and functional film for eyewear, optical laminate for eyewear, and eyewear which have same | Saki Abe, Kouichi Tanaka | 2021-06-01 |
| 10942374 | Optical film for eyewear, and optical laminate and eyewear using the optical film | Kouichi Tanaka, Saki Abe, Yuki Aikawa | 2021-03-09 |
| 10866435 | Optical film for eyewear with light control, light reflection, and polarization layers | Kouichi Tanaka, Saki Abe, Yuki Aikawa | 2020-12-15 |
| 10816709 | Light reflection film and laminate having the light reflection film | Tomoyuki Hayasaki, Hitoshi Asami, Kouichi Tanaka | 2020-10-27 |
| 10525666 | Optical laminate structure and head-up display system using the optical laminate structure, and light reflection film | Tomoyuki Hayasaki, Hitoshi Asami, Chihiro Takahashi, Kouichi Tanaka | 2020-01-07 |
| 10120206 | Optical film and optical laminate using same | Kouichi Tanaka, Hideyoshi Fujisawa, Takuya Gotou, Katsuyuki Murai, Kazuhisa Mitsuhata +1 more | 2018-11-06 |
| 8570368 | Wireless audio transmission system, receiver, video camera and audio mixer | — | 2013-10-29 |
| 5926332 | Digital sound reproducing and editing device for recording sound with fixed editing points | Yukihira Maruyama, Masami Sato, Kaoru Sekigawa | 1999-07-20 |
| 5717534 | Digital sound reproducing and editing device with variable-speed continuous sound reproduction | Yukihiro Maruyama, Masami Sato, Kaoru Sekigawa | 1998-02-10 |
| 5712737 | Method and apparatus for automatically editing audio signals | Masami Tsubaki, Shuhei Kanaoka, Koji Kosaka, Toshiyuki Yamazaki, Hiromi Inoue +2 more | 1998-01-27 |