Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981123 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Makoto Matsuo, Minoru Utsumi, Masayuki Iijima, Yukio Taniguchi, Seiji Take | 1999-11-09 |
| 5983057 | Color imaging system with selectively openable optical shutter | Makoto Matsuo, Minoru Utsumi, Chihaya Ogusu, Shunsuke Mukasa, Yoshiaki Kudo +5 more | 1999-11-09 |
| 5967831 | Electrical connector assembly | Shoji Yamada, Yoshihisa Yamamoto, Kazushige Asakawa | 1999-10-19 |
| 5731116 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Makoto Matsuo, Minoru Utsumi, Masayuki Iijima, Yukio Taniguchi, Seiji Take | 1998-03-24 |
| 5718996 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Masayuki Iijima, Kyoji Dantani, Makoto Matsuo, Minoru Utsumi, Seiji Take | 1998-02-17 |
| 5683838 | Method of producing information recording medium | Masayuki Iijima, Seiji Take, Hironori Kamiyama, Masato Okabe, Minoru Utsumi | 1997-11-04 |
| 5672453 | Frost image recording medium and method of and apparatus for forming and reading frost image | Minoru Utsumi, Masayuki Iijima, Masato Okabe, Hironori Kamiyama | 1997-09-30 |
| 5665497 | Image recording method | Kohji Ichimura | 1997-09-09 |
| 5660958 | Information recording medium, and information recording and reproducing method | Masayuki Iijima, Seiji Take, Hironori Kamiyama, Masato Okabe, Minoru Utsumi | 1997-08-26 |
| 5638103 | Method for recording and reproducing information, apparatus therefor and recording medium | Takashi Aono, Hiroshi Mohri, Masato Koike, Hideaki Amano, Norikazu Saito +5 more | 1997-06-10 |
| 5587264 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Masayuki Iijima, Kyoji Dantani, Makoto Matsuo, Minoru Utsumi, Seiji Take | 1996-12-24 |
| 5571646 | Electrostatic information-recording media and process for recording and reproducing electrostatic information | Minoru Utsumi, Seiji Take, Masayuki Iijima, Hironori Kamiyama | 1996-11-05 |
| 5550370 | Potential sensor employing electrooptic crystal and potential measuring method | Atsushi Takano, Minoru Utsumi | 1996-08-27 |
| 5521040 | Frost image recording medium and method of and apparatus for forming and reading frost image | Minoru Utsumi, Masayuki Iijima, Masato Okabe, Hironori Kamiyama | 1996-05-28 |
| 5519469 | Printing plate using a charge carrier medium | — | 1996-05-21 |
| 5514504 | Information recording medium, and information recording a reproducing method | Masayuki Iijima, Seiji Take, Hironori Kamiyama, Masato Okabe, Minoru Utsumi | 1996-05-07 |
| 5492783 | Electrostatic information-recording media and process for recording and reproducing electrostatic information | Minoru Utsumi, Seiji Take, Masayuki Iijima, Hironori Kamiyama | 1996-02-20 |
| 5450168 | Moving image pickup device, medium for picking up moving images and process for picking up images continuously | Minoru Utsumi, Atsushi Takano, Takashi Aono | 1995-09-12 |
| 5439768 | Electrostatic information recording medium and electrostatic information recording and reproducing method | Makoto Matsuo, Minoru Utsumi, Masayuki Iijima, Yukio Taniguchi, Seiji Take | 1995-08-08 |
| 5434698 | Potential sensor employing electrooptic crystal and potential measuring method | Atsushi Takano, Minoru Utsumi | 1995-07-18 |
| 5424156 | Electrostatic information recording medium and method of recording and reproducing electrostatic information | Daigo Aoki, Minoru Utsumi | 1995-06-13 |
| 5414496 | Method for manufacturing a printing plate using a charge carrier medium and method for page make-up using a charge carrier medium | — | 1995-05-09 |
| 5378565 | Frost image recording medium and method of and apparatus for forming and reading frost image | Minoru Utsumi, Masayuki Iijima, Masato Okabe, Hironori Kamiyama | 1995-01-03 |
| 5298947 | Process for recording images on an electrostatic information recording medium with delayed disconnection of charge accumulation voltage | Takashi Aono, Minoru Utsumi, Kohji Ichimura, Masayuki Iijima | 1994-03-29 |
| 5213922 | Electrostatic printing method | Makoto Matsuo, Minoru Utsumi | 1993-05-25 |