Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7981378 | Water activation piece for use in flow passage, arrangement structure of the water activation piece, and water activation device using the water activation piece and the arrangement structure | — | 2011-07-19 |
| 7094342 | Water activation device | — | 2006-08-22 |
| 4330209 | Spectrophotometer receiving a variable quantity of light | Noriyoshi Hashimoto, Mikio Ito | 1982-05-18 |
| 4330210 | Spectrophotometer capable of correcting a dark current | Noriyoshi Hashimoto, Mikio Ito | 1982-05-18 |
| 4320971 | Spectrophotometer | Noriyoshi Hashimoto, Mikio Ito | 1982-03-23 |