Nakatsugawa; Naoki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nakatsugawa; Naoki.The latest application filed is for "earthing equipment for switchgear".
- Nakatsugawa; Naoki - Hitachinaka JP
- Nakatsugawa; Naoki - Tokyo JP
- Nakatsugawa; Naoki - Hyogo JP
- Nakatsugawa; Naoki - Wako-shi Saitama-ken JP
- Nakatsugawa; Naoki - Wako JP
| Patent | Date |
|---|---|
| Switchgear Grant 8,189,325 - Kurogi , et al. May 29, 2 | 2012-05-29 |
| Solid insulated bus switchgear Grant 8,045,322 - Kurogi , et al. October 25, 2 | 2011-10-25 |
| Earthing equipment for switchgear Grant 7,983,023 - Shoda , et al. July 19, 2 | 2011-07-19 |
| Earthing Equipment For Switchgear App 20100208416 - SHODA; Kenichi ; et al. | 2010-08-19 |
| Solid Insulated Bus Switchgear App 20100002363 - KUROGI; Takuya ; et al. | 2010-01-07 |
| Switchgear App 20090159569 - KUROGI; Takuya ; et al. | 2009-06-25 |
| Sludge treatment method Grant 7,320,759 - Yasunaga , et al. January 22, 2 | 2008-01-22 |
| Sludge treatment apparatus Grant 7,288,191 - Yasunaga , et al. October 30, 2 | 2007-10-30 |
| Sludge Treatment Method And Sludge Treatment Apparatus App 20070068876 - Yasunaga; Nozomu ; et al. | 2007-03-29 |
| Sludge treatment method and sludge treatment apparatus App 20050145575 - Yasunaga, Nozomu ; et al. | 2005-07-07 |
| Process for treating organic wastewater and apparatus for treating the organic wastewater Grant 6,884,355 - Kamiya , et al. April 26, 2 | 2005-04-26 |
| Process for treating organic wastewater and apparatus for treating the organic wastewater App 20030226803 - Kamiya, Toshiyuki ; et al. | 2003-12-11 |
| Microorganism removing method Grant 5,591,349 - Ikeda , et al. January 7, 1 | 1997-01-07 |
| Microbe propagation preventing apparatus Grant 5,527,459 - Ikeda , et al. June 18, 1 | 1996-06-18 |
| Microbe propagation prenvention method Grant 5,484,570 - Ikeda , et al. January 16, 1 | 1996-01-16 |
| Microbe propagation preventing apparatus and microbe propagation preventing method Grant 5,445,798 - Ikeda , et al. August 29, 1 | 1995-08-29 |
| Alkalophilic methanogen and fast methane fermentation method Grant 5,143,835 - Nakatsugawa , et al. September 1, 1 | 1992-09-01 |
| Extremely halophilic methanogenic archaebacteria Grant 5,055,406 - Nakatsugawa , et al. October 8, 1 | 1991-10-08 |
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