Okayama; Tsutomu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Okayama; Tsutomu.The latest application filed is for "operational amplifier and scanning electron microscope using the same".
- Okayama; Tsutomu - Hitachinaka JP
- Okayama; Tsutomu - Nagoya JP
- Okayama; Tsutomu - Katsuta JP
| Patent | Date |
|---|---|
| Operational amplifier and scanning electron microscope using the same Grant 7,521,998 - Okayama April 21, 2 | 2009-04-21 |
| Operational amplifier and scanning electron microscope using the same App 20070115056 - Okayama; Tsutomu | 2007-05-24 |
| Spark plug having a noble metal firing tip bonded to a front end of a center electrode Grant 5,440,198 - Oshima , et al. August 8, 1 | 1995-08-08 |
| Spark plug having an erosion resistant tip Grant 5,347,193 - Oshima , et al. September 13, 1 | 1994-09-13 |
| Method of making a spark plug Grant 5,320,569 - Oshima , et al. June 14, 1 | 1994-06-14 |
| Displacement transducer Grant 4,362,060 - Okayama , et al. December 7, 1 | 1982-12-07 |
| Pressure transducer Grant 4,264,889 - Yamamoto , et al. April 28, 1 | 1981-04-28 |
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