Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157157 | Organic EL element and organic EL display | Mikio Nakasuji | 2007-01-02 |
| 7003022 | Matched filter and receiver for mobile radio communication system | Kenzo Urabe | 2006-02-21 |
| 6900470 | Display device and method of manufacturing the same | Michiya Kobayashi | 2005-05-31 |
| 6811897 | Ink for forming a hole injection layer of organic EL display devices and manufacturing method thereof, organic EL display devices, and manufacturing method of the same | Katsuyuki Naito, Naoko Kihara, Rei Hasegawa, Shintaro Enomoto, Yutaka Nakai +3 more | 2004-11-02 |
| 6716553 | Porous films and processes for the production thereof | Shigeru Fujita, Shunsuke Noumi, Yoshihiro Uetani, Hideyuki Emori, Yutaka Kishii +1 more | 2004-04-06 |
| 6562519 | Microporous film | Shunsuke Noumi, Mutsuko Yamaguchi, Hideyuki Emori, Yoshihiro Uetani | 2003-05-13 |
| 6559195 | Microporous film | Shigeru Fujita, Yoshihiro Uetani, Shunsuke Noumi, Hideyuki Emori, Yutaka Yamamura | 2003-05-06 |
| 6101203 | Function element using quantum interference effect | Kouichi Ichimura, Nobuhiro Gemma | 2000-08-08 |
| 6028873 | Optical device capable of functioning without a population inversion | Kouichi Ichimura, Nobuhiro Gemma | 2000-02-22 |
| 5970039 | Optical recording medium, method of recording information, method of reproducing information, apparatus for recording information, and apparatus for reproducing information | Kouichi Ichimura, Nobuhiro Gemma | 1999-10-19 |
| 5898720 | Optical element | Kouichi Ichimura, Nobuhiro Gemma | 1999-04-27 |
| 5798880 | Reflected light receiving method | — | 1998-08-25 |
| 5754511 | Optical information reproduction by irradiating two laser beams into a recording medium of at least three energy levels and detecting absorption or photoluminescence | Nobuhiro Gemma, Kouichi Ichimura | 1998-05-19 |
| 5699374 | Solid-state material, method of manufacturing the solid-state material, frequency-converting element, and frequency-measuring instrument incorporating the element, and frequency modulator/amplifier incorporating the element | Kouichi Ichimura, Nobuhiro Gemma | 1997-12-16 |
| 5604643 | Multiple reflection optical instrument and reflected light catching method using the same | — | 1997-02-18 |
| 5557762 | Digital signal processor evaluation chip and debug method | Yasuyuki Okuaki | 1996-09-17 |
| 5153500 | Constant-voltage generation circuit | Hiroyuki Tokutomi | 1992-10-06 |
| 5105169 | Current controlled oscillator including conversion of control voltage to regular and thresholded control currents | Kiyohiko Yamazaki | 1992-04-14 |
| 5058111 | Subscriber line interface circuit in a switching system | Kouichi Kihara | 1991-10-15 |
| 5034962 | Voice-band signal processor | Osamu Yanaga | 1991-07-23 |
| 5014233 | Divider for carrying out high speed arithmetic operation | Kouichi Kihava | 1991-05-07 |
| 4852080 | Analog front-end circuit for full-duplex communication | Hisao Ohtake | 1989-07-25 |