Kawai; Ryuichiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawai; Ryuichiro.The latest application filed is for "asymmetric membrane".
- Kawai; Ryuichiro - Tokyo JP
- Kawai; Ryuichiro - Kanagawa N/A JP
| Patent | Date |
|---|---|
| Asymmetric membrane Grant 10,610,834 - Kawai , et al. | 2020-04-07 |
| Asymmetric Membrane App 20190381463 - KAWAI; Ryuichiro ; et al. | 2019-12-19 |
| Oxygen Absorber Composition, Oxygen-absorbing Multilayer Body, Oxygen-absorbing Packet, And Method For Storing Article App 20190099738 - KAWAI; Ryuichiro ; et al. | 2019-04-04 |
| Method For Storing Oxygen Absorbing Agent App 20160250617 - KAWAI; Ryuichiro ; et al. | 2016-09-01 |
| Centralized master-slave-communication control system and method with multi-channel communication on the same line Grant 8,433,836 - Matsumoto , et al. April 30, 2 | 2013-04-30 |
| Communication centralized control system and communication centralized control method App 20110093635 - Matsumoto; Isao ; et al. | 2011-04-21 |
| Wide frequency range amplifier apparatus Grant 5,432,477 - Nishiyama , et al. July 11, 1 | 1995-07-11 |
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