Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542666 | Optical component | Toshiaki Tsuda, Shigehito Yodo, Yu Mimura, Toshihiko Ohta, Yoshihiro Emori +1 more | 2003-04-01 |
| 6384964 | Optical gain equalizer, and method for producing the optical gain equalizer, and applications of the optical gain equalizer | Shoichi Ozawa, Osamu Aso, Shu Namiki, Yuichiro Irie | 2002-05-07 |
| 6377390 | Optical gain equalizer, and optical amplifier and wavelength-division multiplex transmitter both comprising the optical gain equalizer | Shyoichi Ozawa, Osamu Aso, Shu Namiki, Ikuo Ohta, Yuichiro Irie | 2002-04-23 |
| 5952048 | Ink composition and recording method using the same | Kazuo Tsubuko, Nobutaka Kinoshita, Tsuyoshi Asami, Akihiko Gotoh, Kazuhiko Umemura +1 more | 1999-09-14 |
| 5851717 | Developer for use in electrophotography, and image formation method using the same | Kazuo Tsubuko, Akihiko Gotoh, Tsuyoshi Asami, Akihiro Koseki | 1998-12-22 |