SAWAYAMA, IPPEI
Patent Applications and Registrations
Patent applications and USPTO patent grants for SAWAYAMA, IPPEI.The latest application filed is for "electrolytic etching method, method for producing photovoltaic element, and method for treating defect of photovoltaic element".
- SAWAYAMA, IPPEI - TOKYO JP
- Sawayama; Ippei - Machida JP
| Patent | Date |
|---|---|
| Electrolytic Etching Method, Method For Producing Photovoltaic Element, And Method For Treating Defect Of Photovoltaic Element App 20010007306 - ICHINOSE, HIROFUMI ; et al. | 2001-07-12 |
| Photovoltaic device with improved collector electrode Grant 6,214,636 - Sawayama , et al. April 10, 2 | 2001-04-10 |
| Etching method and process for producing a semiconductor element using said etching method Grant 5,863,412 - Ichinose , et al. January 26, 1 | 1999-01-26 |
| Photovoltaic device with improved collector electrode Grant 5,428,249 - Sawayama , et al. June 27, 1 | 1995-06-27 |
| Vibration wave motor Grant 4,926,085 - Sawayama , et al. May 15, 1 | 1990-05-15 |
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