Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858563 | Organic electroluminescent device | Takeshi Sano, Takanori Fujii, Yuji Hamada, Kenichi Shibata | 1999-01-12 |
| 5818323 | Magnetoresistive device | Atsushi Maeda, Satoru Oikawa, Toshio Tanuma, Minoru Kume | 1998-10-06 |
| 5680091 | Magnetoresistive device and method of preparing the same | Atsushi Maeda, Toshio Tanuma, Minoru Kume | 1997-10-21 |
| 5604002 | Optical recording medium and reproducing method therefor | Tsuyoshi Tsujioka, Toshio Harada, Fumio Tatezono | 1997-02-18 |
| 5456988 | Organic electroluminescent device having improved durability | Takeshi Sano, Masayuki Fujita, Takanori Fujii, Yoshitaka Nishio, Yuji Hamada +1 more | 1995-10-10 |
| 5432014 | Organic electroluminescent element and a method for producing the same | Takeshi Sano, Masayuki Fujita, Takanori Fujii, Yoshitaka Nishio, Yuji Hamada +1 more | 1995-07-11 |
| 5422612 | Dielectric filter having corresponding individual external and ground electrodes formed on a dielectric substrate | Yasumi Kobayashi, Kousuke Takeuchi, Kachio Ikeda, Kenichi Shibata | 1995-06-06 |
| 5345202 | Dielectric filter comprising a plurality of coaxial resonators of different lengths all having the same resonant frequency | Yasumi Kobayashi, Kousuke Takeuchi, Kachio Ikeda, Kenichi Shibata | 1994-09-06 |
| 5319342 | Flat transformer | — | 1994-06-07 |
| 5309422 | Light separation element and light receiving optical device using same | Hiroshi Shiozaki | 1994-05-03 |
| 5293141 | Dielectric filter having external connection terminals on dielectric substrate and antenna duplexer using the same | Yasumi Kobayashi, Kousuke Takeuchi, Kachio Ikeda, Kenichi Shibata | 1994-03-08 |
| 5244851 | Microwave dielectric ceramic composition | Hisakazu Takahashi, Yoko Baba, Kenichi Ezaki, Yasuhiko Okamoto, Kenichi Shibata | 1993-09-14 |
| 5188993 | Microwave dielectric ceramic composition | Hisakazu Takahashi, Yoko Baba, Kenichi Ezaki, Yasuhiko Okamoto, Kenichi Shibata +1 more | 1993-02-23 |
| 5132258 | Microwave dielectric ceramic composition | Hisakazu Takahashi, Yoko Baba, Kenichi Ezaki, Yasuhiko Okamoto, Kenichi Shibata | 1992-07-21 |
| 5059847 | Surface acoustic wave device | Toshiharu Tanaka, Kenichi Shibata, Kousuke Takeuchi, Masakazu Sakata, Hiroshi Okano | 1991-10-22 |
| 5036199 | Liquid crystal chopper and infrared sensor | Masakazu Sakata, Kenichi Shibata, Kousuke Takeuchi, Toshiharu Tanaka, Hiroshi Okano +1 more | 1991-07-30 |
| 4997244 | Optical wavelength converting device and manufacturing method thereof | Yoshitaka Nishio, Yuji Hamada, Takanori Fujii, Masakazu Sakata, Yoshikazu Tsujino | 1991-03-05 |
| 4989958 | Focus adjusting apparatus provided with a focus lens member formed of polymer gel substance having electro-reactive deformability | Yuji Hamada, Takanori Fujii, Masakazu Sakata, Yoshitaka Nishio, Yoshikazu Tsujino +1 more | 1991-02-05 |
| 4950900 | Heated infrared gas analyzer using a pyroelectric infrared sensor | Kousuke Takeuchi, Kenichi Shibata, Toshiharu Tanaka, Seiji Nishikawa, Shoichi Nakano | 1990-08-21 |