Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11275114 | Semiconductor device for controlling supply of clock signal | — | 2022-03-15 |
| 6493013 | Method for recording and reproducing information, apparatus therefor and recording medium | Hiroyuki Obata, Hiroshi Mohri, Masato Koike, Hideaki Amano, Norikazu Saito +5 more | 2002-12-10 |
| 5983057 | Color imaging system with selectively openable optical shutter | Makoto Matsuo, Minoru Utsumi, Chihaya Ogusu, Shunsuke Mukasa, Yoshiaki Kudo +5 more | 1999-11-09 |
| 5739834 | Electrostatic charge information reproducing method | Masato Okabe, Masayuki Iijima | 1998-04-14 |
| 5638103 | Method for recording and reproducing information, apparatus therefor and recording medium | Hiroyuki Obata, Hiroshi Mohri, Masato Koike, Hideaki Amano, Norikazu Saito +5 more | 1997-06-10 |
| 5635971 | Recording medium including latent image charge trap and methods involving same | Yoshiaki Tsuruoka, Masayuki Iijima, Kayoko Sugiyama | 1997-06-03 |
| 5497179 | Charge carrier medium and reproduction of electrostatic latent image | Kayoko Sugiyama, Masayuki Iijima | 1996-03-05 |
| 5450168 | Moving image pickup device, medium for picking up moving images and process for picking up images continuously | Minoru Utsumi, Hiroyuki Obata, Atsushi Takano | 1995-09-12 |
| 5376955 | Electrostatic charge information reproducing method with charge transfer by electrostatic discharge | Masato Okabe, Masayuki Iijima | 1994-12-27 |
| 5298947 | Process for recording images on an electrostatic information recording medium with delayed disconnection of charge accumulation voltage | Minoru Utsumi, Hiroyuki Obata, Kohji Ichimura, Masayuki Iijima | 1994-03-29 |
| 5161233 | Method for recording and reproducing information, apparatus therefor and recording medium | Makoto Matsuo, Minoru Utsumi, Chihaya Ogusu, Shunsuke Mukasa, Yoshiaki Kudo +5 more | 1992-11-03 |