Wada; Sadao
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wada; Sadao.The latest application filed is for "lubricating oil composition".
- Wada; Sadao - Shiki-Shi Saitama-Ken 353 JP
- Wada; Sadao - Shiki JP
- Wada; Sadao - Siki JP
- Wada; Sadao - Nagaokakyo JP
| Patent | Date |
|---|---|
| Lubricating oil composition Grant 5,672,572 - Arai , et al. September 30, 1 | 1997-09-30 |
| Synthetic lubricating oil composition Grant 4,968,453 - Wada , et al. November 6, 1 | 1990-11-06 |
| Synthetic lubrication oil compositions Grant 4,719,025 - Akiyama , et al. January 12, 1 | 1988-01-12 |
| Method and apparatus for testing ready-mixed concrete Grant 4,615,215 - Sugimoto , et al. October 7, 1 | 1986-10-07 |
| Filter Grant 4,608,173 - Watanabe , et al. August 26, 1 | 1986-08-26 |
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