Inventor

Tetsuo Sekiguchi

Inventor

Hasuda, JP

Overview

26→

Patents

1978–2000

Patent span

Chemistry

Primary field (CPC C)

Patents· 26 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Kprimary

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%

G02BOptical elements, systems or apparatus33%

B29CShaping or joining of plastics5%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%

C08JWorking-up5%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

C08LCompositions of macromolecular compounds3%

F16DCouplings for transmitting rotation3%

F16HGearing3%

PatentTitleYear

6,067,195'Binoculars having hand-vibration compensation system'2000 6,057,962'Observation optical system having hand-vibration compensation system'2000 6,043,934'Observing equipment having hand-vibration compensation system'2000 5,754,339'Vibration compensation device for binocular'1998 5,483,384'Lens accessory attaching mechanism'1996 5,222,407'Slip clutch mechanism'1993 5,191,482'Lens driving apparatus'1993 5,160,956'Lens barrel with screw mount'1992 5,148,199'Motor-driven zoom lens barrel'1992 5,144,494'Zoom lens barrel'1992 4,997,888'Weatherability and adherence of polypropylene'1991 4,994,529'Weatherability and adherence of polypropylene'1991 4,822,153'One-hand zoom lens barrel'1989 4,387,968'Zoom lens mount barrel'1983 4,346,967'Zoom lens barrel for macrophotographing'1982 4,252,698'Anti-yellowing composition'1981 4,244,848'Halogen containing resin composition'1981 4,224,218'Stabilized vinyl chloride polymer comprising a metal mono-organic phosphite'1980 4,224,203'Vinyl chloride polymer stabilizer comprising a metal organophosphonate'1980 4,221,687'Anti-yellowing composition'1980 4,217,258'Stabilized halogen-containing resin composition'1980 4,160,762'Halogen-containing resin stabilizer comprising an alkoxycarbonylalkylenetin sulfide'1979 4,146,518'Stabilized halogen-containing resin composition'1979 4,134,868'Aromatic carboxylic acid ester stabilizers for PVC resins'1979 4,113,678'Tin sulfide stabilizer for styrene polymer'1978 4,105,627'Mercaptoheterocyclic resin stabilizers'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1981Patents assigned to ARGUS CHEM (11)· patent assignee history

1978–1991Based in Hasuda, JP· patent location history

1980Based in Hasusa, JP· patent location history

1982–2000Patents assigned to ASAHI OPTICAL CO LTD (13)· patent assignee history

1982–1993Based in Kumagaya, JP· patent location history

1989–1998Based in Tokyo, JP· patent location history

1991Patents assigned to ADEKA ARGUS CHEMICAL CO LTD (2)· patent assignee history

1992Patents assigned to ASAHI SEIMITSU KK (1)· patent assignee history

2000Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI OPTICAL CO LTD	13	1982–2000
ARGUS CHEM	11	1978–1981
ADEKA ARGUS CHEMICAL CO LTD	2	1991
ASAHI SEIMITSU KK	1	1992

Locations

Location	Patents	Span
Hasuda, JP	12	1978–1991
Tokyo, JP	7	1989–1998
Saitama, JP	3	2000
Kumagaya, JP	3	1982–1993
Hasusa, JP	1	1980