Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378565 | Frost image recording medium and method of and apparatus for forming and reading frost image | Hiroyuki Obata, Masayuki Iijima, Masato Okabe, Hironori Kamiyama | 1995-01-03 |
| 5373348 | Converting device including variable electroconductivity material, and recording and detecting method using the same | Eiichi Inoue, Atsumi Noshiro | 1994-12-13 |
| 5298947 | Process for recording images on an electrostatic information recording medium with delayed disconnection of charge accumulation voltage | Takashi Aono, Hiroyuki Obata, Kohji Ichimura, Masayuki Iijima | 1994-03-29 |
| 5224090 | Optical recording members and method for production thereof | Kazuo Umeda, Masaaki Asano, Takuya Hamaguchi, Takeshi Matsumoto, Yuji Kondo | 1993-06-29 |
| 5213922 | Electrostatic printing method | Makoto Matsuo, Hiroyuki Obata | 1993-05-25 |
| 5192634 | A-selenium-tellurium photosensitive member and electrostatic information recording method | Kohji Ichimura | 1993-03-09 |
| 5192631 | Variable electroconductivity material | Eiichi Inoue, Atsumi Noshiro | 1993-03-09 |
| 5165343 | Printing plate and printing process | Eiichi Inoue, Mitsuru Takeda, Hitoshi Fujii, Noritaka Egashira, Satoru Kuramochi | 1992-11-24 |
| 5161233 | Method for recording and reproducing information, apparatus therefor and recording medium | Makoto Matsuo, Chihaya Ogusu, Shunsuke Mukasa, Yoshiaki Kudo, Hiroyuki Obata +5 more | 1992-11-03 |
| 4997593 | Variable electroconductivity material | Eiichi Inoue, Atsumi Noshiro | 1991-03-05 |