Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9868912 | Method for producing lubricant oil base oil | Kazuaki Hayasaka, Marie Iwama, Koshi TAKAHAMA | 2018-01-16 |
| 9011041 | Subirrigation system | Naoki Ono, Hiroaki Sakamoto, Kazuhiro Hirao, Toshinobu Kakita, Yoshihito Fujii +1 more | 2015-04-21 |
| 6834376 | Logic optimization device for automatically designing integrated circuits | — | 2004-12-21 |
| 6720811 | Semiconductor device with delay correction function | Minobu Yazawa, Shinichi Nakagawa | 2004-04-13 |
| 6490710 | Logic verification method and apparatus for logic verification | — | 2002-12-03 |
| 6453449 | Formal logic verification system and method | — | 2002-09-17 |
| 6311203 | Multiplier, and fixed coefficient FIR digital filter having plural multipliers | Shuji Murakami | 2001-10-30 |