Inventor
MIYAGAWA HIROSHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “MIYAGAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEIDENSHA ELECTRIC MFG CO LTD
6 patentsUS4585578AApr 29, 1986
Electrically conductive plastic complex material
MEIDENSHA ELECTRIC MFG CO LTD22 citations78
US4434331AFeb 28, 1984
Vacuum power interrupting device
MEIDENSHA ELECTRIC MFG CO LTD14 citations72
US4429197AJan 31, 1984
Vacuum power interrupting device
MEIDENSHA ELECTRIC MFG CO LTD8 citations72
US4421961ADec 20, 1983
Vacuum circuit breaker
MEIDENSHA ELECTRIC MFG CO LTD7 citations72
US4482790ANov 13, 1984
Vacuum interrupter
MEIDENSHA ELECTRIC MFG CO LTD5 citations61
US4465991AAug 14, 1984
Operating device for effecting opening and closing operation of a vacuum interrupter with an electromagnet incorporated therein
MEIDENSHA ELECTRIC MFG CO LTD2 citations61
SHINKO ELECTRIC IND CO
4 patentsUS6110755AAug 29, 2000
Method for manufacturing semiconductor device
SHINKO ELECTRIC IND CO19 citations84
US7347949B2Mar 25, 2008
Method of manufacturing a wiring board by utilizing electro plating
SHINKO ELECTRIC IND CO6 citations68
US7453141B2Nov 18, 2008
Semiconductor device package, method of manufacturing the same, and semiconductor device
SHINKO ELECTRIC IND CO4 citations54
US8043514B2Oct 25, 2011
Method of manufacturing a wiring board by utilizing electro plating
SHINKO ELECTRIC IND CO0 citations46
TOYOTA CHUO KENKYUSHO KK
3 patentsUS9249720B2Feb 2, 2016
Ammonia fueled internal combustion engine with exhaust purification
TOYOTA CHUO KENKYUSHO KK19 citations84
US8904765B2Dec 9, 2014
Internal combustion engine
TOYOTA CHUO KENKYUSHO KK10 citations83
US10358988B2Jul 23, 2019
Internal combustion engine
TOYOTA CHUO KENKYUSHO KK0 citations31
MITSUI MINING & SMELTING CO
2 patentsUS5789095AAug 4, 1998
Method of recovering useful materials from spent secondary batteries for electric vehicles
MITSUI MINING & SMELTING CO21 citations89
US5795673AAug 18, 1998
Method of recovering useful materials from spent secondary batteries for electric vehicles
MITSUI MINING & SMELTING CO9 citations70