Inventor
SEKIGUCHI TETSUO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “SEKIGUCHI TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
13 patentsUS5483384AJan 9, 1996
Lens accessory attaching mechanism
ASAHI OPTICAL CO LTD24 citations92
US5222407AJun 29, 1993
Slip clutch mechanism
ASAHI OPTICAL CO LTD30 citations92
US5148199ASep 15, 1992
Motor-driven zoom lens barrel
ASAHI OPTICAL CO LTD25 citations92
US4822153AApr 18, 1989
One-hand zoom lens barrel
ASAHI OPTICAL CO LTD43 citations92
US5754339AMay 19, 1998
Vibration compensation device for binocular
ASAHI OPTICAL CO LTD34 citations91
US5144494ASep 1, 1992
Zoom lens barrel
ASAHI OPTICAL CO LTD19 citations82
US4387968AJun 14, 1983
Zoom lens mount barrel
ASAHI OPTICAL CO LTD24 citations82
US4346967AAug 31, 1982
Zoom lens barrel for macrophotographing
ASAHI OPTICAL CO LTD28 citations81
US6067195AMay 23, 2000
Binoculars having hand-vibration compensation system
ASAHI OPTICAL CO LTD15 citations74
US6057962AMay 2, 2000
Observation optical system having hand-vibration compensation system
ASAHI OPTICAL CO LTD7 citations74
US6043934AMar 28, 2000
Observing equipment having hand-vibration compensation system
ASAHI OPTICAL CO LTD11 citations74
US5160956ANov 3, 1992
Lens barrel with screw mount
ASAHI OPTICAL CO LTD7 citations73
US5191482AMar 2, 1993
Lens driving apparatus
ASAHI OPTICAL CO LTD4 citations63
ARGUS CHEM
11 patentsUS4221687ASep 9, 1980
Anti-yellowing composition
ARGUS CHEM49 citations92
US4252698AFeb 24, 1981
Anti-yellowing composition
ARGUS CHEM39 citations90
US4146518AMar 27, 1979
Stabilized halogen-containing resin composition
ARGUS CHEM7 citations74
US4244848AJan 13, 1981
Halogen containing resin composition
ARGUS CHEM14 citations73
US4217258AAug 12, 1980
Stabilized halogen-containing resin composition
ARGUS CHEM14 citations73
US4224203ASep 23, 1980
Vinyl chloride polymer stabilizer comprising a metal organophosphonate
ARGUS CHEM8 citations72
US4134868AJan 16, 1979
Aromatic carboxylic acid ester stabilizers for PVC resins
ARGUS CHEM13 citations72
US4105627AAug 8, 1978
Mercaptoheterocyclic resin stabilizers
ARGUS CHEM19 citations72
US4160762AJul 10, 1979
Halogen-containing resin stabilizer comprising an alkoxycarbonylalkylenetin sulfide
ARGUS CHEM4 citations63
US4224218ASep 23, 1980
Stabilized vinyl chloride polymer comprising a metal mono-organic phosphite
ARGUS CHEM5 citations61
US4113678ASep 12, 1978
Tin sulfide stabilizer for styrene polymer
ARGUS CHEM6 citations61