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Inventor

Kyoko Yamaguchi

Inventor
Sakai, JP

Overview

4→
Patents
1998–2001
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus38%
F02BInternal-combustion piston engines13%
F02FCylinders, pistons or casings, for combustion engines13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
Y02TClimate change mitigation technologies related to transportation13%
PatentTitleYear
6,267,092'Suction apparatus of multi-cylinder internal combustion engine'20016,011,648'Optical system having an optical element made of resin'20005,861,986'Zoom finder optical system'19995,749,008'Eyepiece'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to MINOLTA (1)· patent assignee history
1998–2000Based in Sakai, JP· patent location history
1999–2000Patents assigned to MINOLTA CO LTD (2)· patent assignee history
2001Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
2001Based in Wako, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CO LTD21999–2000
HONDA MOTOR CO LTD12001
MINOLTA11998
Locations
LocationPatentsSpan
Sakai, JP31998–2000
Wako, JP12001