Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642560 | MOSFET with a thin gate insulating film | Hisayo Momose, Hiroshi Iwai, Tatsuya Ohguro, Mizuki Ono, Takashi Yoshitomi +1 more | 2003-11-04 |
| 6448989 | Image forming apparatus using digital light as image exposure means | Yasushi Shimizu, Gaku Konishi, Hiroshi Sato | 2002-09-10 |
| 6434054 | Non-volatile semiconductor memory device controlling the range of distribution of memory cell threshold voltages | Hitoshi Shiga, Toru Tanzawa | 2002-08-13 |
| 6410952 | MOSFET with a thin gate insulating film | Hisayo Momose, Hiroshi Iwai, Tatsuya Ohguro, Mizuki Ono, Takashi Yoshitomi +1 more | 2002-06-25 |
| 6351417 | Non-volatile semiconductor memory device having a function for controlling the range of distribution of memory cell threshold voltages and method of erasing data thereof | Hitoshi Shiga, Toru Tanzawa | 2002-02-26 |
| 6272306 | Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationships | Keiji Okano, Gaku Konishi, Yasushi Shimizu, Hiroshi Satoh, Akira Domon +1 more | 2001-08-07 |
| 6240019 | Non-volatile semiconductor memory device having a function for controlling the range of distribution of memory cell threshold voltages | Hitoshi Shiga, Toru Tanzawa | 2001-05-29 |
| 6229164 | MOSFET with a thin gate insulating film | Hisayo Momose, Hiroshi Iwai, Tatsuya Ohguro, Mizuki Ono, Takashi Yoshitomi +1 more | 2001-05-08 |
| 6217879 | Enzyme-decomposed materials of laver and uses thereof | Kunio Suetsuna | 2001-04-17 |
| 6167212 | Development density adjusting method for image forming apparatus | Hiroshi Satoh, Keiji Okano, Gaku Konishi, Yasushi Shimizu, Akira Domon +1 more | 2000-12-26 |
| 6021929 | Nozzle for making steel and method for manufacturing the same | Toshio Yamane, Seijiro Tanaka | 2000-02-08 |
| 5990516 | MOSFET with a thin gate insulating film | Hisayo Momose, Hiroshi Iwai, Tatsuya Ohguro, Mizuki Ono, Takashi Yoshitomi +1 more | 1999-11-23 |
| 5955761 | Semiconductor device and manufacturing method thereof | Takashi Yoshitomi, Hiroshi Iwai, Hisayo Momose, Tatsuya Ohguro, Mizuki Ono | 1999-09-21 |
| 5903027 | MOSFET with solid phase diffusion source | Takashi Yoshitomi, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku, Mizuki Ono +6 more | 1999-05-11 |
| 5898203 | Semiconductor device having solid phase diffusion sources | Takashi Yoshitomi, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku, Mizuki Ono +4 more | 1999-04-27 |
| 5780901 | Semiconductor device with side wall conductor film | Takashi Yoshitomi, Hiroshi Iwai, Hisayo Momose, Tatsuya Ohguro, Mizuki Ono | 1998-07-14 |
| 5766965 | Semiconductor device and method of manufacturing the same | Takashi Yoshitomi, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku, Mizuki Ono +4 more | 1998-06-16 |
| 5698881 | MOSFET with solid phase diffusion source | Takashi Yoshitomi, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku, Mizuki Ono +6 more | 1997-12-16 |
| 5669042 | Image forming system having means to support at least one component of a process cartridge | Kazunori Kobayashi, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +2 more | 1997-09-16 |
| 5475472 | Image process unit having charging member impedance correction feature | Masaharu Ohkubo | 1995-12-12 |
| 5434440 | Semiconductor device and method of manufacturing the same | Takashi Yoshitomi, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku, Mizuki Ono +4 more | 1995-07-18 |
| 5420671 | Charger and image forming apparatus with same | Hiroki Kisu, Toshio Miyamoto, Yohji Tomoyuki, Junji Araya, Shunji Nakamura | 1995-05-30 |
| 5253024 | Fixing apparatus with rectifier element | Koichi Okuda, Yoji Tomoyuki, Toshio Miyamoto, Junji Araya, Yukihiro Ohzeki +7 more | 1993-10-12 |
| 5132738 | Image forming apparatus with cleaning mechanism for charging electrode | Shunji Nakamura, Hiroki Kisu, Yohji Tomoyuki, Junji Araya, Toshio Miyamoto | 1992-07-21 |
| 5126913 | Charging device with contactable charging means and an image forming apparatus having the charging means and a detachable process unit | Junji Araya, Hiroki Kisu, Yohji Tomoyuki, Shunji Nakamura, Noribumi Koitabashi +1 more | 1992-06-30 |