Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252564 | Method for producing vinyl chloride type polymer | Kazuhiro Kumakura, Toshihiko Kawakubo | 2025-03-18 |
| 12240972 | Method for producing vinyl chloride type polymer | Kazuhiro Kumakura, Toshihiko Kawakubo | 2025-03-04 |
| 10189328 | Vehicular pump apparatus and vehicular bracket | Naofumi Harada, Tsutomu Ito | 2019-01-29 |
| 10190579 | Reciprocating compressor | Tsutomu Ito, Naofumi Harada | 2019-01-29 |
| 8821092 | Fastening member and compressor apparatus | Shogo Nambara, Kazuhisa Yama | 2014-09-02 |
| 6231321 | Air compressor | Yoichi Mizutani, Kan KOBAYASHI | 2001-05-15 |
| 4826902 | Coating composition with improved rust-preventing properties for use in preparing lubricated steel products | Hiroki Hanabata, Hideo Kawaguchi, Ryoichi Noumi, Hiromi Izaiku, Koichi Komai +1 more | 1989-05-02 |
| 4432851 | Electrodeposition of lubricative coating | Sachio Matsuo, Tadashi Sakane, Ryoichi Noumi, Shinji Fujiwara, Rikizo Kobashi +2 more | 1984-02-21 |