Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6036352 | Method of and device for improving the quality of fresh concrete and preventing adhesion and hardening of the fresh concrete in a mixer drum of a concrete mixer truck or of a concrete mixing plant | — | 2000-03-14 |
| 5606842 | Manufacturing method for photosensitive film magazines and manufacturing method for photosensitive film magazines packed in containers | Toshiyuki Ohkawa, Takashi Misawa | 1997-03-04 |
| 5292396 | Plasma processing chamber | Shigekazu Takashima | 1994-03-08 |
| 5157439 | Film processing apparatus | Takashi Itoh, Kenji Yamanouchi, Makoto Ikeda | 1992-10-20 |
| D318875 | Sheet feeder for computer output printers | Shigeru Kikkawa | 1991-08-06 |
| 4963718 | Method of reading a bar code on a moving cylindrical body | Tatsuji Hoshizaki | 1990-10-16 |
| 4957247 | Film winding apparatus | Masao Nakamura, Takashi Ito | 1990-09-18 |
| 4921155 | Tape material conveying roller and tape material conveying method | Takashi Ito | 1990-05-01 |
| 4668472 | Slide for chemical analysis | Toshiyuki Ikariya, Kiyohiko Takahashi, Masao Nakamura, Akira Yanagisawa | 1987-05-26 |