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Inventor
OGIWARA HARUO
3 patents
⚠️ This page may combine multiple inventors who share the name “OGIWARA HARUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
2 patents
US4507721A
Mar 26, 1985
DC-DC Converter for remote power feeding
NIPPON TELEGRAPH & TELEPHONE
104 citations
92
US4143937A
Mar 13, 1979
Phase shifter for hologram recording
NIPPON TELEGRAPH & TELEPHONE
18 citations
68
NISSEI PLASTICS IND CO
1 patent
US12325165B2
Jun 10, 2025
Injection screw for rigid vinyl chloride
NISSEI PLASTICS IND CO
0 citations
46