Inventor
TOJO TSUTOMU
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TOJO TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
6 patentsUS4279477AJul 21, 1981
Objective lens system for microscopes
OLYMPUS OPTICAL CO9 citations71
US4251131AFeb 17, 1981
Microscope objective
OLYMPUS OPTICAL CO7 citations71
US4232941ANov 11, 1980
Objective lens system for microscopes
OLYMPUS OPTICAL CO7 citations71
US4280757AJul 28, 1981
Objective lens system for microscopes
OLYMPUS OPTICAL CO5 citations60
US4227773AOct 14, 1980
Objective lens system for microscopes
OLYMPUS OPTICAL CO6 citations60
US4176912ADec 4, 1979
Microscope objective lens system
OLYMPUS OPTICAL CO0 citations39
HITACHI LTD
3 patentsUS6144151ANov 7, 2000
Color cathode ray tube having an improved electron gun
HITACHI LTD9 citations73
US6731056B2May 4, 2004
Color cathode ray tube having an improved electron gun
HITACHI LTD0 citations51
US6348759B1Feb 19, 2002
Color cathode ray tube having an improved electron gun
HITACHI LTD1 citations51