Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138437 | Water-soluble lubricant oil | Tsuyoshi Okamoto, Yusuke Yamazaki, Toshiki Kojima, Tsuyoshi Fukushima, Mitsumasa Kamura | 2018-11-27 |
| 9522481 | Water-soluble cutting fluid for slicing silicon ingots | Aki Hidaka, Tsuyoshi Okamoto | 2016-12-20 |
| 6585170 | Straw with a mouthpiece and a method of manufacturing the same | — | 2003-07-01 |
| D444022 | Drinking straw | — | 2001-06-26 |
| D435155 | Feeding bottle nipple cleaning apparatus | — | 2000-12-12 |
| D434540 | Feeding bottle nipple cleaning apparatus | — | 2000-11-28 |