Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493170 | Interference device and position detection device using the same | Ko Ishizuka | 2002-12-10 |
| D466150 | Tape cartridge for label printing machine | Shigeru Matsumoto | 2002-11-26 |
| 6473184 | Interferometer which divides light beams into a plurality of beams with different optical paths | Ko Ishizuka, Hidejiro Kadowaki, Yasushi Kaneda, Takayuki Kadoshima, Sakae Horyu | 2002-10-29 |
| D453180 | Ink ribbon cartridge for label printing machine | Shigeru Matsumoto | 2002-01-29 |