Ogiwara; Haruo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ogiwara; Haruo.The latest application filed is for "dc-dc converter for remote power feeding".
- Ogiwara; Haruo - Higashimurayama JP
- Ogiwara; Haruo - Tokorozawa JP
| Patent | Date |
|---|---|
| DC-DC Converter for remote power feeding Grant 4,507,721 - Yamano , et al. March 26, 1 | 1985-03-26 |
| Phase shifter for hologram recording Grant 4,143,937 - Yonezawa , et al. March 13, 1 | 1979-03-13 |
| Character coincidence detector for optical information retrieval systems Grant 3,889,233 - Ogiwara June 10, 1 | 1975-06-10 |
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