Maruyama; Ryoji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maruyama; Ryoji.The latest application filed is for "charging system, charging apparatus, and charging method".
- Maruyama; Ryoji - Kanagawa-ken JP
- Maruyama; Ryoji - Kawaguchi JP
- Maruyama, Ryoji - Kawaguchi-shi JP
- MARUYAMA, RYOJI - KAWASAKI-SHI JP
- Maruyama; Ryoji - Saitama JP
- Maruyama; Ryoji - Yokohama JP
- Maruyama; Ryoji - Ageo JP
| Patent | Date |
|---|---|
| Charging System, Charging Apparatus, And Charging Method App 20140176051 - HAYASHI; Hideki ; et al. | 2014-06-26 |
| Contact pin and socket for electrical parts provided with contact pin Grant 6,966,783 - Hachuda , et al. November 22, 2 | 2005-11-22 |
| Contact pin and socket for electrical parts provided with contact pin App 20040029412 - Hachuda, Osamu ; et al. | 2004-02-12 |
| Power Arithmetic Apparatus App 20020013668 - MARUYAMA, RYOJI | 2002-01-31 |
| Electrical quantity measurement device Grant 5,554,927 - Maruyama September 10, 1 | 1996-09-10 |
| Hall element for detecting a magnetic field perpendicular to a substrate Grant 5,548,151 - Funaki , et al. August 20, 1 | 1996-08-20 |
| Transmission input/output device with reduced power consumption Grant 5,410,594 - Maruyama April 25, 1 | 1995-04-25 |
| Multiplier Grant 4,920,312 - Maruyama April 24, 1 | 1990-04-24 |
| Optical fiber coupler for connecting two optical cables in alignment Grant 4,676,589 - Miyashita , et al. June 30, 1 | 1987-06-30 |
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