Issued Patents All Time
Showing 201–225 of 275 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177224 | Method of manufacturing electrophotographic toner | Tatuo Imafuku, Hitoshi Nagahama, Yoshinori Urata, Yasuharu Morinishi, Satoshi Ogawa | 2001-01-23 |
| 6178151 | Optical head having a reproducing optical system and filter formed by light passing therethrough | Yasumori Hino, Norio Miyatake, Masahiro Birukawa | 2001-01-23 |
| 6136484 | Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same | Satoshi Katayama, Yoshihide Shimoda, Makoto Kurokawa, Mikio Kakui, Hiroko Ishibashi +5 more | 2000-10-24 |
| 6124849 | Method of controlling alternating current plasma display panel for improving data write-in characteristics without sacrifice of durability | Kazuhiro Ito | 2000-09-26 |
| 6118416 | Method of controlling alternating current plasma display panel with positive priming discharge pulse and negative priming discharge pulse | Kazuhiro Ito | 2000-09-12 |
| 6110635 | Toner for electrophotography and a production method thereof | Yoshinori Urata, Tatsuo Imafuku, Toshihisa Ishida, Takahiro Bito, Yoshiaki Akazawa +2 more | 2000-08-29 |
| 6103439 | Toner used for electrophotography | Satoshi Ogawa, Hitoshi Nagahama, Yasuharu Morinishi, Tatsuo Imafuku, Takeaki Ohuchi +1 more | 2000-08-15 |
| 6061316 | Multi-track recording/reproducing apparatus, recording/reproducing method, and information recording medium | Norio Miyatake | 2000-05-09 |
| 6017160 | Printer sheet feed device having controller | Minoru Sato | 2000-01-25 |
| 6004713 | Toner, Developer, and process for producing the same | Yoshinori Urata, Hitoshi Nagahama, Yasuharu Morinishi, Satoshi Ogawa, Toshihisa Ishida +1 more | 1999-12-21 |
| 5990630 | Method for controlling surface discharge alternating current plasma display panel with drivers periodically changing duty factor of data pulses | — | 1999-11-23 |
| 5981129 | Electrophotographic toner and method of manufacturing same | Yoshiaki Akazawa, Toshihiko Murakami, Tatuo Imafuku, Takeaki Ohuchi, Yasuharu Morinishi +3 more | 1999-11-09 |
| 5976751 | Electrophotographic printing-use toner | Yasuharu Morinishi, Hitoshi Nagahama, Satoshi Ogawa, Toshihisa Ishida, Takeaki Ohuchi | 1999-11-02 |
| 5974280 | Image forming apparatus having a toner concentration controlling mechanism based on a clocked time period for the recovery | Yuichiro Takesue, Yoshiaki Akazawa, Toshihiko Murakami, Junichi Saito, Tadayuki Sawai | 1999-10-26 |
| 5903245 | Method of driving plasma display panel having improved operational margin | Masahiro Shimizu, Yoshio Sano, Mitsuo Ueoka | 1999-05-11 |
| 5853711 | Water-in-oil emulsion cosmetic composition | Kenzo Ito | 1998-12-29 |
| 5850688 | Method of manufacturing electronic component | Daizo Ando, Shinji Umeda, Kunihiko Oishi | 1998-12-22 |
| 5846683 | Toner producing method using recycled extra-fine toner particles | Toshihiko Murakami, Junichi Saito, Yasuharu Morinishi, Takeaki Ouchi, Satoshi Ogawa +1 more | 1998-12-08 |
| 5799881 | Method and system of producing toner | Yoshinori Urata, Takao Yoneda, Yoshiaki Akazawa, Yasuharu Morinishi, Nobuhiko Nakano +2 more | 1998-09-01 |
| 5759735 | Method for preparing developer for use in electrophotographic printing | Kanshiro Okamoto, Hirofumi Sakita, Toshihiko Murakami, Yoshiaki Akazawa | 1998-06-02 |
| 5748592 | Disk drive apparatus and disk storage medium for high density recording | Yasumori Hino, Norio Miyatake, Masahiro Birukawa | 1998-05-05 |
| 5739641 | Circuit for driving plasma display panel | Masahiro Shimizu | 1998-04-14 |
| 5687164 | Decoder employing viterbi decoding method for decoding coded multi-valued signal | Kohji Takahashi, Kenichi Oide | 1997-11-11 |
| 5684499 | Method of driving plasma display panel having improved operational margin | Masahiro Shimizu, Yoshio Sano, Mitsuo Ueoka | 1997-11-04 |
| 5644478 | Electronic component and its manufacturing method | Daizo Ando, Shinji Umeda, Kunihiko Oishi | 1997-07-01 |