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Inventor

Yoshinobu Yamaguchi

Inventor
Nagoya, JP

Overview

9→
Patents
1976–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry21%
C01BNon-metallic elements11%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
Y02PClimate change mitigation technologies in the production or processing of goods11%
B01DSeparation5%
B24DTools for grinding, buffing or sharpening5%
C07CAcyclic or carbocyclic compounds5%
C09GPolishing compositions5%
C23FNon-mechanical removal of metallic material from surface5%
F01LCyclically operating valves for machines or engines5%
PatentTitleYear
4,935,039'Abrasive composition and process for polishing plastic article'19904,915,710'Abrasive composition and process for polishing'19904,813,385'General-purpose internal combustion engine'19894,590,905'Process for decompression control in internal combustion engine and apparatus therefor'19864,285,837'Catalyst for steam reforming of hydrocarbons'19814,203,408'Lubricating oil detector for an internal combustion engine'19804,101,449'Catalyst and its method of preparation'19784,059,544'Active material compositions with porous protective sheath and method for preparing'19773,969,542'Catalysts and methods of making'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to TOYO ENGINEERING CORP (1)· patent assignee history
1976–1990Based in Nagoya, JP· patent location history
1977Patents assigned to FUJIMI KENMAZAI KOGYO KABUSHIK (1)· patent assignee history
1978–1981Patents assigned to FUJIMI ABRASIVE (2)· patent assignee history
1978–1981Based in Seto, JP· patent location history
1980–1989Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
1980Based in Tokyo, JP· patent location history
1986Based in Niiza, JP· patent location history
1989Based in Saitama, JP· patent location history
1990Patents assigned to SHOWA DENKO KK (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD31980–1989
FUJIMI ABRASIVE21978–1981
SHOWA DENKO KK21990
FUJIMI KENMAZAI KOGYO KABUSHIK11977
TOYO ENGINEERING CORP11976
Locations
LocationPatentsSpan
Nagoya, JP41976–1990
Seto, JP21978–1981
Saitama, JP11989
Niiza, JP11986
Tokyo, JP11980