Inventor
FUJISAWA TAKAO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “FUJISAWA TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTAN CO LTD
4 patentsUS4469953ASep 4, 1984
Combination ionization and photoelectric smoke detector
NITTAN CO LTD49 citations91
US6693529B2Feb 17, 2004
Fire alarm system
NITTAN CO LTD8 citations70
US4544921AOct 1, 1985
Fire alarm system
NITTAN CO LTD8 citations70
US6577233B2Jun 10, 2003
Fire alarm system and terminal equipment in the same
NITTAN CO LTD0 citations48