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Inventor

Yoshihiro Kawai

Inventor
Obu, JP

Overview

14→
Patents
1976–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines29%
Y10TTechnical subjects covered by former us classification14%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%
A61JContainers specially adapted for medical or pharmaceutical purposes5%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
C03BManufacture, shaping, or supplementary processes5%
C03CChemical composition of glasses, glazes or vitreous enamels5%
D05BSewing5%
F16HGearing5%
PatentTitleYear
10,550,027Method for producing medical glass container in which occurrence of cracking is reduced202010,161,273Valve opening and closing timing control apparatus20189,157,343'Variable valve timing control device'20158,915,222'Variable valve timing control apparatus'20148,789,503'Valve timing control apparatus'20148,631,774'Valve timing control apparatus and valve timing control mechanism'20148,091,524'Valve timing control device'20127,290,595'Inner fin with cutout window for heat exchanger'20077,119,663'Remote control key for preventing theft of transponder and method for manufacturing the same'20066,450,253'Tank of heat exchanger'20026,109,414'Shift lever device'20004,764,004'Automobile outer mirror assembly'19884,453,479'Horizontally rotating looptaker for a sewing machine'19843,944,765'Combination turn-signal and hazard-warning switch means for an automobile'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2006Patents assigned to TOKAI RIKA CO LTD (4)· patent assignee history
1976–2006Based in Aichi, JP· patent location history
1984–2018Patents assigned to AISIN SEIKI (7)· patent assignee history
2002–2007Patents assigned to CALSONIC KANSEI CORP (2)· patent assignee history
2002Based in Kanagawa, JP· patent location history
2007Based in Tokyo, JP· patent location history
2012–2014Patents assigned to KAWAI YOSHIHIRO (3)· patent assignee history
2012–2014Patents assigned to KOBAYASHI MASAKI (3)· patent assignee history
2012–2018Based in Obu, JP· patent location history
2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI71984–2018
TOKAI RIKA CO LTD41976–2006
KAWAI YOSHIHIROself32012–2014
KOBAYASHI MASAKI32012–2014
CALSONIC KANSEI CORP22002–2007
Locations
LocationPatentsSpan
Obu, JP62012–2018
Aichi, JP51976–2006
Osaka, JP12020
Tokyo, JP12007
Kanagawa, JP12002