Inventor
KIRIHATA SHINJI
JP6 patents
Patents
6 patentsUS4912748AMar 27, 1990
Infrared intrusion detector with a plurality of infrared ray detecting elements
MATSUSHITA ELECTRIC WORKS LTD114 citations95
US4849737AJul 18, 1989
Person-number detecting system
MATSUSHITA ELECTRIC WORKS LTD67 citations93
US6737977B2May 18, 2004
Fire detector unit
MATSUSHITA ELECTRIC WORKS LTD25 citations89
US6051836AApr 18, 2000
Low-profile dome-shaped multi-lens system
MATSUSHITA ELECTRIC WORKS LTD30 citations88
US6611611B2Aug 26, 2003
Particle sensor
MATSUSHITA ELECTRIC WORKS LTD9 citations73
US6552664B2Apr 22, 2003
Method of fabricating a fire detector
MATSUSHITA ELECTRIC WORKS LTD9 citations72