Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584265 | Optical waveguide element having a single crystalline substrate with a crystal axis angled with respect to a surface of the substrate | Atsuo Kondo, Jungo Kondo, Soichiro Matsuzawa | 2003-06-24 |
| 6160947 | Optical transmission member-fixed assembly | Yukihisa Osugi, Akira Hamajima, Shuhei Toyoda, Yoshizumi Nakasuji | 2000-12-12 |
| 5724464 | Compound optical waveguide device | — | 1998-03-03 |
| 5499309 | Method of fabricating optical component including first and second optical waveguide chips having opposed inclined surfaces | Yukihisa Osugi, Masashi Fukuyama | 1996-03-12 |
| 5497438 | Optical transmission and reception module having coupled optical waveguide chips | Tadasu Ishikawa, Yukihisa Osugi | 1996-03-05 |
| 5111135 | Method for optically measuring electric field and optical voltage/electric-field sensor | Yuichi Kakizaki | 1992-05-05 |
| 5085503 | Spatial light modulating element using uniaxial single crystal of oxide as insulating layer | Yukihisa Osugi, Hiroaki Abe | 1992-02-04 |
| 5053617 | Instrument for concurrently optically measuring thermal and electric quantities | Yuichi Kakizaki | 1991-10-01 |
| 4976517 | Optical unit including electrooptical crystal elements | Shogo Kawaguchi | 1990-12-11 |
| 4962990 | Optical device | Soichiro Matsuzawa, Shuhei Toyoda, Shogo Kawaguchi, Masami Matsuura | 1990-10-16 |
| 4956607 | Method and apparatus for optically measuring electric current and/or magnetic field | Masanori Abe, Syunzo Mase | 1990-09-11 |
| 4933629 | Method and apparatus for optically measuring electric and magnetic quantities having an optical sensing head exhibiting the Pockel's and Faraday effects | Yuichi Kakizaki, Takayuki Sekiya, Hiroaki Abe | 1990-06-12 |
| 4814930 | Optical zero-phase current and zero phase voltage sensing arrangement | Masanori Abe, Syunzo Mase | 1989-03-21 |