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Inventor

Michio Kato

Inventor
Niihama, JP

Overview

13→
Patents
1976–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds15%
A61CDentistry8%
B01DSeparation8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
Y10TTechnical subjects covered by former us classification8%
B01FMixing, e.g. dissolving, emulsifying or dispersing4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B07CPostal sorting4%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
PatentTitleYear
8,294,481'Handler'20127,344,375'Pushing device for tooth restoration material mixed and kneaded in capsule'20086,733,170'Mixer for capsule for dental restoration material'20046,141,395'Sealed neutron tube'20004,924,479'Communication control system'19904,618,709'Waste water treatment in the production of methacrylic acid'19864,457,622'Screw inspection device'19844,411,793'Process for the separation of elements by chromatography'19834,307,257'Process for production of tertiary butyl alcohol'19814,265,320'Electrically powered torque-controlled tool'19814,199,410'Purification of crude acrylic acid'19804,029,266'Automatic thread winding apparatus'19773,968,153'Extraction of acrylic acid and/or methacrylic acid with a solvent mixture of methylethylketone and xylene or ethylbenzene'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to SUMITOMO CHEMICAL CO (4)· patent assignee history
1976–1981Based in Niihama, JP· patent location history
1977–1981Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1977–1981Based in Hirakata, JP· patent location history
1983Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history
1990Based in Seto, JP· patent location history
2000–2012Based in Tokyo, JP· patent location history
2004–2008Patents assigned to G C DENTAL IND CORP (2)· patent assignee history
2004–2008Based in Inashiki-gun, JP· patent location history
2012Patents assigned to AKAHOSHI SUSUMU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO41976–1986
G C DENTAL IND CORP22004–2008
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21977–1981
AKAHOSHI SUSUMU12012
ASAHI CHEMICAL IND11983
Locations
LocationPatentsSpan
Niihama, JP31976–1981
Tokyo, JP22000–2012
Inashiki-gun, JP22004–2008
Hirakata, JP21977–1981
Seto, JP11990