Inventor
KIHARA TSUTOMU
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KIHARA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWAI MUSICAL INSTR MFG CO
4 patentsUS5528969AJun 25, 1996
Damper unit for a piano
KAWAI MUSICAL INSTR MFG CO11 citations73
US5932820AAug 3, 1999
Damper lever for grand piano
KAWAI MUSICAL INSTR MFG CO9 citations72
US5646359AJul 8, 1997
Silencing method and apparatus for pianos
KAWAI MUSICAL INSTR MFG CO4 citations62
US7678977B2Mar 16, 2010
Repetition lever of grand piano
KAWAI MUSICAL INSTR MFG CO4 citations58
NIPPON OIL CO LTD
4 patentsUS5181979AJan 26, 1993
Process for preparing carbon/carbon composite
NIPPON OIL CO LTD7 citations72
US5192471AMar 9, 1993
Process for preparing carbon/carbon composite
NIPPON OIL CO LTD5 citations61
US5186873AFeb 16, 1993
Process for preparing carbon/carbon composite
NIPPON OIL CO LTD5 citations58
US5470558ANov 28, 1995
Process for producing pitch-based carbon fibers superior in compression characteristics
NIPPON OIL CO LTD1 citations51