Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448409 | Device and method for purifying air purification device and method | Kitae Park, Jinkyu Kang, Haruhiko Yamasaki, Tomoyuki Kuroki, Tadao Yagi +3 more | 2022-09-20 |
| 10171090 | Oscillator, electronic apparatus, and moving object | — | 2019-01-01 |
| 10027331 | Oscillator, electronic apparatus, and moving object | Takemi Yonezawa, Kenji Hayashi | 2018-07-17 |
| 8574506 | Method and apparatus for processing exhaust gas | Tomoyuki Kuroki, Toshiaki Yamamoto, Hidekatsu Fujishima, Keiichi Otsuka | 2013-11-05 |
| 8297045 | Exhaust gas treating apparatus and treating method | Keiichiro Yoshida | 2012-10-30 |
| 7759843 | Highly stable piezoelectric oscillator, manufacturing method thereof, piezoelectric resonator storage case, and heat source unit | — | 2010-07-20 |
| 7521031 | Method and apparatus for treating exhaust gas | Toshiaki Yamamoto, Tomoyuki Kuroki | 2009-04-21 |
| 7442218 | Exhaust gas treatment apparatus | Toshiaki Yamamoto, Shinichi Miwa | 2008-10-28 |