Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10850221 | Fine particle detector and exhaust gas purification apparatus | Tadahiro Imada | 2020-12-01 |
| 10577992 | Microwave heating apparatus and exhaust gas purification apparatus | Tadahiro Imada, Tatsuya Hirose, Yoichi Kawano | 2020-03-03 |
| 8472195 | Electronic device | Teru Nakanishi, Nobuyuki Hayashi, Masaru Morita, Yasuhiro Yoneda | 2013-06-25 |
| 8378687 | Method of measuring characteristics regarding safety of battery | Yasuhiro Yoneda, Yukiko Wakino, Kensuke Yoshida | 2013-02-19 |
| 6693736 | Optical circuit system and components of same | Tetsuzo Yoshimura, Takeshi Ishitsuka, Satoshi Tatsuura, Wataru Sotoyama, Koji Tsukamoto +3 more | 2004-02-17 |
| 6338975 | Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device | Tetsuzo Yoshimura, Satoshi Tatsuura, Wataru Sotoyama, Yasuhiro Yoneda, Koji Tsukamoto +1 more | 2002-01-15 |
| 6215585 | Optical circuit system and components of same technical field | Tetsuzo Yoshimura, Takeshi Ishitsuka, Satoshi Tatsuura, Wataru Sotoyama, Koji Tsukamoto | 2001-04-10 |
| 6081632 | Method of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit board | Tetsuzo Yoshimura, Wataru Sotoyama, Takeshi Ishitsuka, Koji Tsukamoto, Shigenori Aoki +4 more | 2000-06-27 |
| 6017681 | Method of coupling optical parts and method of forming a mirror | Koji Tsukamoto, Takeshi Ishitsuka, Tetsuzo Yoshimura, Yasuhiro Yoneda | 2000-01-25 |
| 5917980 | Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device | Tetsuzo Yoshimura, Satoshi Tatsuura, Wataru Sotoyama, Yasuhiro Yoneda, Koji Tsukamoto +1 more | 1999-06-29 |
| 5902715 | Method of forming a mirror in a waveguide | Koji Tsukamoto, Takeshi Ishitsuka, Tetsuzo Yoshimura, Yasuhiro Yoneda | 1999-05-11 |
| 5861444 | Refractive index imaging material | Koji Tsukamoto, Takeshi Ishitsuka, Tetsuzo Yoshimura, Yasuhiro Yoneda | 1999-01-19 |
| 5856815 | Method of driving surface-stabilized ferroelectric liquid crystal display element for increasing the number of gray scales | Akihiro Mochizuki, Shigeo Kasahara | 1999-01-05 |
| 5835646 | Active optical circuit sheet or active optical circuit board, active optical connector and optical MCM, process for fabricating optical waveguide, and devices obtained thereby | Tetsuzo Yoshimura, Wataru Sotoyama, Takeshi Ishitsuka, Koji Tsukamoto, Shigenori Aoki +2 more | 1998-11-10 |
| 5818983 | Optical integrated circuit, optical circuit waveguide device and process for oriented, selective growth and formation of organic film | Tetsuzo Yoshimura, Satoshi Tatsuura, Wataru Sotoyama, Yasuhiro Yoneda, Koji Tsukamoto +2 more | 1998-10-06 |
| 5757989 | Optical circuit system capable of producing optical signal having a small fluctuation and components of same | Tetsuzo Yoshimura, Takeshi Ishitsuka, Satoshi Tatsuura, Wataru Sotoyama, Koji Tsukamoto +3 more | 1998-05-26 |
| 5658966 | Method of coupling optical parts and refractive index imaging material | Koji Tsukamoto, Takeshi Ishitsuka, Tetsuzo Yoshimura, Yasuhiro Yoneda | 1997-08-19 |
| 5581646 | Method of coupling optical parts and refractive index imaging material | Koji Tsukamoto, Takeshi Ishitsuka, Tetsuzo Yoshimura, Yasuhiro Yoneda | 1996-12-03 |
| 5317429 | Trilayer nematic liquid crystal optical switching device | Akihiro Mochizuki | 1994-05-31 |
| 5274484 | Gradation methods for driving phase transition liquid crystal using a holding signal | Akihiro Mochizuki | 1993-12-28 |