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Inventor

Chiharu Watanabe

Inventor
Shibukawa, JP

Overview

6→
Patents
1989–1999
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H05Kprimary
H05KPrinted circuits16%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
D04BKnitting11%
H01BCables11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
B23KSoldering or unsoldering5%
D03CShedding mechanisms5%
F16KValves5%
F25BRefrigeration machines, plants or systems5%
PatentTitleYear
5,996,899'Thermostatic expansion valve'19995,834,879'Stacked piezoelectric actuator'19985,576,362'Insulating material and a circuit substrate in use thereof'19965,547,758'Insulating material'19965,362,926'Circuit substrate for mounting a semiconductor element'19944,841,748'Jacquard circular knitting machine'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to WATANABE KUTSUSHITA KOGYO KK (1)· patent assignee history
1989–1998Based in Fujimi, JP· patent location history
1994–1996Patents assigned to DENKI KAGAKU KOGYO KK (3)· patent assignee history
1994–1996Based in Shibukawa, JP· patent location history
1998Patents assigned to WAC DATA SERVICES CO LTD (1)· patent assignee history
1999Patents assigned to FUJIKOKI CORP (1)· patent assignee history
1999Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENKI KAGAKU KOGYO KK31994–1996
FUJIKOKI CORP11999
WAC DATA SERVICES CO LTD11998
WATANABE KUTSUSHITA KOGYO KK11989
Locations
LocationPatentsSpan
Shibukawa, JP31994–1996
Fujimi, JP21989–1998
Aichi, JP11999