Inventor

Katsuhiko Nomura

Inventor

Tokyo, JP

Overview

1976–1997

Patent span

Physics

Primary field (CPC G)

Patents· 22 as inventor

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

G03Bprimary

G03BApparatus or arrangements for taking photographs or for projecting or viewing them56%

G02BOptical elements, systems or apparatus28%

B23KSoldering or unsoldering3%

G01BMeasuring length, thickness or similar linear dimensions3%

H01FMagnets3%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

PatentTitleYear

5,673,099'Lens shutter camera including zoom lens'1997 5,583,596'Lens shutter camera including zoom lens'1996 5,276,475'Lens shutter camera including zoom lens'1994 5,274,413'Mount assembly of optical devices'1993 5,264,885'Lens shutter camera including zoom lens'1993 5,157,429'Lens shutter camera including zoom lens'1992 5,150,145'Lens shutter camera including zoom lens'1992 5,142,315'Lens shutter type of camera including zoom lens'1992 4,944,030'Lens shutter camera including zoom lens'1990 4,863,812'Battery receptacle'1989 4,395,119'Method for automatic, non-destructive measurement of eccentricity of coated electrodes'1983 4,252,411'Lens barrel'1981 4,240,734'Motor-drive camera using a cartridge film'1980 4,209,246'Film winding mechanism'1980 4,198,149'Locking shutter speed dial device for a camera'1980 4,190,760'Welding apparatus with shifting magnetic field'1980 4,169,670'Device for indicating the completion of winding of the shutter of a camera'1979 4,135,795'Digital indicator device for indicating photographing exposure values in the form of digits'1979 4,134,657'Device for indicating the advancing of film in a camera being taken up or rewound'1979 4,016,576'Exposure value display for cameras'1977 3,956,757'Camera exposure control circuit'1976 3,936,843'Camera with optionally operable manual controls'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1997Patents assigned to ASAHI OPTICAL CO LTD (20)· patent assignee history

1976–1981Based in Kawagoe, JP· patent location history

1980–1983Patents assigned to KOBE STEEL LTD (2)· patent assignee history

1980–1983Based in Kamakura, JP· patent location history

1989–1997Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI OPTICAL CO LTD	20	1976–1997
KOBE STEEL LTD	2	1980–1983

Locations

Location	Patents	Span
Tokyo, JP	10	1989–1997
Kawagoe, JP	10	1976–1981
Kamakura, JP	2	1980–1983