Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531601 | Molded catalyst for production of triethylenediamine, method for its production, and method for producing triethylenediamine | — | 2003-03-11 |
| 6350874 | Method for producing triethylenediamines and piperazines | — | 2002-02-26 |
| 5402409 | Optical recording apparatus and method for adding information in a sub-scanning direction and for deflecting a light beam to an optimum sub-scanning recording position | Keiji Kataoka, Susumu Saito, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi +2 more | 1995-03-28 |
| 5182596 | Device for measuring surface potentials at photosensitive body and electrostatic recording apparatus using said device | Takashi Nakazawa, Minoru Ohshima, Masami Ishikawa, Tohru Miyasaka, Takao Umeda | 1993-01-26 |
| 5150648 | Method and apparatus for detecting print-termination in line printer | Kenji Okada | 1992-09-29 |
| 5140157 | Double beam scan type optical apparatus | Minoru Ohshima, Susumu Saitoh, Masami Ishikawa, Kazutoshi Obara | 1992-08-18 |