Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10953410 | Separation disk and oil separator | — | 2021-03-23 |
| 10913076 | Oil separator | — | 2021-02-09 |
| 10569206 | Oil separator | — | 2020-02-25 |
| 10519827 | Oil mist filter and oil separator | — | 2019-12-31 |
| 10512864 | Oil separator | Kazuaki Murai, Yoshitaka Watanabe | 2019-12-24 |
| 10513955 | Oil separator | — | 2019-12-24 |
| 10322362 | Oil separator | Yoshitaka Watanabe | 2019-06-18 |
| 10226725 | Oil mist separation method and oil separator | Tsuyoshi Yao, Yoshitaka Watanabe | 2019-03-12 |
| 9987579 | Oil separator | Yoshitaka Watanabe, Kazuo Tanaka, Takayuki Hoshi, Takatsugu Kurosawa | 2018-06-05 |
| 9260992 | Oil mist separator | Masaya Wada, Kazuki Shirakura, Yuta Endo, Yoshitaka Nakamura, Kazuo Tanaka +2 more | 2016-02-16 |
| 8316987 | Muffling structure of vent pipe and muffling structure of case | Yoshitaka Watanabe, Kazutaka Hara | 2012-11-27 |
| 7786331 | Fragrance composition | Naotoshi Toki, Kazuyuki Fukuda | 2010-08-31 |
| 7732644 | Process for producing α,β-unsaturated aldehyde compounds | Shigeyoshi Tanaka, Takahiro Asada | 2010-06-08 |
| 7648956 | Fragrance composition | Naotoshi Toki, Kazuyuki Fukuda | 2010-01-19 |
| 6835237 | Air cleaner | — | 2004-12-28 |