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Inventor

Masaki Kojima

Inventor
Himeji, JP

Overview

13→
Patents
1987–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

H03Kprimary
H03KPulse technique14%
G02BOptical elements, systems or apparatus11%
A61LMethods or apparatus for sterilising materials or objects in general7%
C07HSugars7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
C08JWorking-up7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
A61KPreparations for medical, dental or toiletry purposes4%
B22FWorking metallic powder4%
B23BTurning4%
PatentTitleYear
10,942,303Method of manufacturing a member, optical member and optical element20219,914,174'Lathe'20187,995,319'Semiconductor device with overcurrent protection circuit'20117,924,084'Semiconductor device'20117,789,934'Lubricant for powder metallurgy, powdery mixture for powder metallurgy, and process for producing sinter'20107,741,894'Output circuit'20107,733,133'Power switch circuit having variable resistor coupled between input terminal and output transistor and changing its resistance based on state of output transistor'20105,820,878'Percutaneously absorbable patch'19985,173,554'Glycoside derivatives, polymers containing glycoside derivatives, process for their preparation, and use of said polymers'19925,164,492'Glycoside derivatives, polymers containing glycoside derivatives, process for their preparation and use of said polymers'19925,156,930'Battery equipped with opening-sealing device'19924,779,703'Silencing device for internal combustion engine'19884,711,926'Composition for electrodeposition paint'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to ASAHI GLASS CO LTD (1)· patent assignee history
1987–1992Based in Himeji, JP· patent location history
1992Patents assigned to NIPPON FINE CHEMICAL CO (2)· patent assignee history
2010Patents assigned to NEC ELECTRONICS CORP (2)· patent assignee history
2010–2011Based in Shiga, JP· patent location history
2011Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history
2011Based in Kawasaki, JP· patent location history
2018Based in Chiryu, JP· patent location history
2021Patents assigned to CANON KK (1)· patent assignee history
2021Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC ELECTRONICS CORP22010
NIPPON FINE CHEMICAL CO21992
RENESAS ELECTRONICS CORP22011
ASAHI GLASS CO LTD11987
CANON KK12021
Locations
LocationPatentsSpan
Himeji, JP31987–1992
Shiga, JP22010–2011
Atsugi, JP12021
Chiryu, JP12018
Kawasaki, JP12011