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Inventor

Seizo Watanabe

Inventor
Hachioji, JP

Overview

18→
Patents
1976–2015
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer65%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
B22DCasting of metals5%
C22CAlloys5%
C23CCoating metallic material5%
F16JPistons5%
H02KDynamo-electric machines5%
PatentTitleYear
8,978,624'Vibration damping insulator for fuel injection valve'20158,763,588'Vibration insulator for fuel injection valve, and support structure for fuel injection valve'20146,981,704'Gasket'20064,724,962'Disk jacket'19884,489,124'Process for forming thin film, heat treatment process of thin film sheet, and heat treatment apparatus therefor'19844,407,861'Method of manufacturing a magnetic recording medium of thin metallic film type'19834,390,917'Device for detecting edge of magnetic tape for recording signals'19834,372,504'Magnetic record tape protective device for a tape cassette'19834,363,042'Method and apparatus for automatically tracking a magnetic tape'19824,356,524'Magnetic head'19824,355,750'Double-capstan tape driving device'19824,352,473'Tape cassette'19824,330,802'Magnetic cassette tape record and play apparatus'19824,320,879'Tape cassette drive assembly'19824,316,590'Tape cassette'19824,309,002'Mechanism for preventing loosening of magnetic recording tape of tape cassette'19824,086,510'Flat miniature dynamoelectric machine'19783,988,176'Alloy for mold'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Based in Osaka, JP· patent location history
1978–1988Patents assigned to OLYMPUS OPTICAL CO (14)· patent assignee history
1978–1988Based in Hachioji, JP· patent location history
2006–2015Patents assigned to UCHIYAMA MFG (3)· patent assignee history
2006Based in Okayama, JP· patent location history
2014–2015Patents assigned to SUGIYAMA NATSUKI (2)· patent assignee history
2014–2015Patents assigned to SUMIDA TOMOKAZU (2)· patent assignee history
2014–2015Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
2014–2015Based in Akaiwa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO141978–1988
UCHIYAMA MFG32006–2015
SUGIYAMA NATSUKI22014–2015
SUMIDA TOMOKAZU22014–2015
TOYOTA MOTOR CO LTD22014–2015
Locations
LocationPatentsSpan
Hachioji, JP141978–1988
Akaiwa, JP22014–2015
Okayama, JP12006
Osaka, JP11976