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Inventor

Yoichi Kawai

Inventor
Yokohama, JP

Overview

41→
Patents
1982–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 41 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds19%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients17%
H02KDynamo-electric machines8%
C08JWorking-up6%
F04DNon-positive-displacement pumps5%
Y10TTechnical subjects covered by former us classification5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
B05DProcesses for applying fluent materials to surfaces, in general2%
B29CShaping or joining of plastics2%
PatentTitleYear
10,954,947Backpack-type blower202110,898,041Interlocking adapter, and method for operating electric apparatus in interlocking manner with working machine202110,892,108Electrochemical device202110,113,551Axial flow fan201810,088,828Controlling load ratio induced shut-down conditions in numerical control devices20189,284,961'Fan device'20169,024,548'Method of controlling linear motor'20158,961,124'Axial fan'20158,476,851'Motor magnetic pole position correction method'20138,164,223'Linear motor mounting structure'20127,944,095'Linear motor with integrally formed stator'2011D0637706'Axial-flow blower'20117,839,029'Linear motor'20107,573,162'Linear motor'20097,154,198'Linear motor'20067,151,336'Rotor of reluctance motor'20066,960,858'Motor using permanent magnet'20056,075,086'Polypropylene resin composition and method for coating molded products of the resin composition'20005,624,621'Process of making polyprophylene fibers'19975,478,646'Polypropylene fiber and a preparation process thereof'19955,328,950'Polypropylene resin compositions'19945,247,007'Polypropylene resin composition and method for coating molded products of the resin composition'19935,153,249'Polypropylene resin compositions'19925,082,888'Polypropylene resin composition having high dielectric strength'19925,041,338'Polypropylene composition'19915,023,286'Polypropylene resin compositions'19914,942,096'Polypropylene resin composition'19904,891,392'Production process of polyolefin resin composition containing inorganic filler'19904,885,162'Polyolefin resin compositions'19894,748,206'Polyolefin composition and the same used for vehicle exterior members'19884,734,450'Polypropylene-base resin composition containing an inorganic filler and 0.01 to 0.6 wt. % of carbon black'19884,705,818'Polypropylene-base resin composition'19874,663,369'Glass-fiber reinforced polypropylene resin composition'19874,626,565'Preparation process for polypropylene-base resin compositions'19864,600,748'Polyolefin composition'19864,553,413'Washing machine'19854,510,079'Electrically-conductive resin composition'19854,481,131'Electroconductive resin composition'19844,480,065'Polypropylene-base resin composition'19844,425,262'Electroconductive resin composition'19844,314,039'Polypropylene composition containing a 1.3,2.4-di(alkylbenzylidene) sorbitol'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1997Patents assigned to MITSUI TOATSU CHEMICALS (21)· patent assignee history
1982–1997Based in Yokohama, JP· patent location history
1987–2000Based in Kanagawa, JP· patent location history
2005–2018Patents assigned to OKUMA MACHINERY WORKS LTD (10)· patent assignee history
2005–2018Based in Aichi, JP· patent location history
2011–2018Patents assigned to MINEBEA CO LTD (4)· patent assignee history
2012–2015Patents assigned to KAWAI YOICHI (3)· patent assignee history
2016–2018Based in Kitasaku-gun, JP· patent location history
2021Patents assigned to MAKITA CORP (2)· patent assignee history
2021Based in Anjo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI TOATSU CHEMICALS211982–1997
OKUMA MACHINERY WORKS LTD102005–2018
MINEBEA CO LTD42011–2018
KAWAI YOICHIself32012–2015
MAKITA CORP22021
Locations
LocationPatentsSpan
Yokohama, JP131982–1997
Aichi, JP102005–2018
Kanagawa, JP101987–2000
Anjo, JP22021
Kitasaku-gun, JP22016–2018