Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646927 | Packaged photographic film with a plurality of liquid crystal recording regions | Osamu Shimizu, Minoru Utsumi, Yuudai Yamashita, Hironori Kamiyama, Shinichi Sakano | 1997-07-08 |
| 5587987 | Information recording method having a liquid crystal substrate | — | 1996-12-24 |
| 5555205 | Method device for recording information, and method for measuring the transmittance of liquid crystals, which is applied to recording information | — | 1996-09-10 |
| 5521040 | Frost image recording medium and method of and apparatus for forming and reading frost image | Hiroyuki Obata, Minoru Utsumi, Masayuki Iijima, Hironori Kamiyama | 1996-05-28 |
| 5516607 | Information recording medium and method of recording and reproducing electrostatic information | Masayuki Iijima | 1996-05-14 |
| 5514504 | Information recording medium, and information recording a reproducing method | Masayuki Iijima, Seiji Take, Hironori Kamiyama, Hiroyuki Obata, Minoru Utsumi | 1996-05-07 |
| 5418096 | Information recording medium and method of recording and reproducing electrostatic information | Masayuki Iijima | 1995-05-23 |
| 5378565 | Frost image recording medium and method of and apparatus for forming and reading frost image | Hiroyuki Obata, Minoru Utsumi, Masayuki Iijima, Hironori Kamiyama | 1995-01-03 |
| 5376955 | Electrostatic charge information reproducing method with charge transfer by electrostatic discharge | Masayuki Iijima, Takashi Aono | 1994-12-27 |
| 4840142 | Apparatus for raising small animals | Tetsushi Ishikawa, Hiroyasu Kato | 1989-06-20 |