Inventor
TSUCHIYA KEISHIN
JP6 patents
Patents
6 patentsUS4316262AFeb 16, 1982
Remote meter reading system
RICOH KK31 citations91
US4035772AJul 12, 1977
Utility meter reading system
RICOH KK25 citations81
US4743118AMay 10, 1988
Method of detecting origin of shear and measuring amount of shear in shearing interferometer systems
RICOH KK17 citations72
US4162484AJul 24, 1979
Data collection system
RICOH KK7 citations72
US5012354AApr 30, 1991
Travelling carriage driving apparatus
RICOH KK19 citations71
US4228429AOct 14, 1980
Alarm system having phase-sensitive bridge circuit
RICOH KK4 citations61