Inventor
TSUBOUCHI SEIJI
JP4 patents
Patents
4 patentsUS4469953ASep 4, 1984
Combination ionization and photoelectric smoke detector
NITTAN CO LTD49 citations91
US6195014B1Feb 27, 2001
Fire detector
NITTAN CO LTD16 citations81
USD433644SNov 14, 2000
Fire detector
NITTAN CO LTD7 citations68
US4730182AMar 8, 1988
Combination heat-sensing fire detector
NITTAN CO LTD2 citations58