Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944880 | Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additive | Yukiko Ikeda, Kazuaki Shiinoki, Masakatsu Okaya, Natsuki Kawabata, Masahiro Kawamura | 2018-04-17 |
| 8801412 | Screw compressor | Yukiko Ikeda, Kazuaki Shiinoki, Masakatsu Okaya, Natsuki Kawabata, Masahiro Kawamura | 2014-08-12 |
| 4616443 | Reversible window structure | Tokio Araki | 1986-10-14 |