Marumo; Katsuya
Patent Applications and Registrations
Patent applications and USPTO patent grants for Marumo; Katsuya.The latest application filed is for "wireless switch".
- Marumo; Katsuya - Otsu JP
- MARUMO; Katsuya - Otsu-shi SHIGA
- Marumo; Katsuya - Okayama JP
- Marumo; Katsuya - Kyoto JP
- Marumo, Katsuya - Kyoto-shi JP
| Patent | Date |
|---|---|
| Arc discharge detection device Grant 11,313,907 - Marumo , et al. April 26, 2 | 2022-04-26 |
| Wireless switch Grant 10,756,771 - Marumo , et al. A | 2020-08-25 |
| Wireless Switch App 20200228153 - MARUMO; Katsuya ; et al. | 2020-07-16 |
| Arc Discharge Detection Device App 20200185903 - MARUMO; Katsuya ; et al. | 2020-06-11 |
| Power generation apparatus and wireless switch Grant 10,453,634 - Marumo , et al. Oc | 2019-10-22 |
| Wireless switch Grant 10,304,639 - Marumo , et al. | 2019-05-28 |
| Power Generation Apparatus And Wireless Switch App 20180158632 - MARUMO; Katsuya ; et al. | 2018-06-07 |
| Wireless Switch App 20180158626 - MARUMO; Katsuya ; et al. | 2018-06-07 |
| Switching power supply Grant 8,488,339 - Marumo , et al. July 16, 2 | 2013-07-16 |
| Switching Power Supply App 20110222319 - Marumo; Katsuya ; et al. | 2011-09-15 |
| Terminal table unit and method of controlling same App 20070064361 - Itoshima; Hiroshi ; et al. | 2007-03-22 |
| Terminal table unit and method of controlling same App 20050195546 - Itoshima, Hiroshi ; et al. | 2005-09-08 |
| Power source apparatus Grant 6,856,047 - Murabayashi , et al. February 15, 2 | 2005-02-15 |
| Power supply App 20030058595 - Murabayashi, Haruyasu ; et al. | 2003-03-27 |
| Power supply module utilizing expansion power supply units to increase power supply capacity Grant 6,424,547 - Murabayashi , et al. July 23, 2 | 2002-07-23 |
| Snubber circuit and power transformer using the same App 20020044459 - Tsubota, Yasuhiro ; et al. | 2002-04-18 |
| Power supply module and power supply unit using the same App 20010046144 - Murabayashi, Haruyasu ; et al. | 2001-11-29 |
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