Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11862371 | Magnetic structural body | Takenori Sekijima | 2024-01-02 |
| 10261182 | Optical sensor | Kaname Hanada, Tsutomu Yamasaki, Tomiya Sonoda | 2019-04-16 |
| 7999983 | Lens material, optical electronic component and optical electronic device | Makoto Kumatoriya, Mikio Geho, Takashi Fujii, Kenji Kitamura, Shunji Takekawa +1 more | 2011-08-16 |
| 6646783 | Light modulation device and filter device | Takashi Fujii | 2003-11-11 |
| 6462857 | Optical modulator and optical modulation method | Takashi Fujii | 2002-10-08 |