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Inventor

Takayasu Ishikawa

Inventor
Harrison City, PA, US

Overview

6→
Patents
1994–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television36%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
B29CShaping or joining of plastics9%
B29LIndexing scheme associated with subclass b29c, relating to particular articles9%
C07DHeterocyclic compounds9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
G06FElectric digital data processing9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
10,889,557Method of producing an alkoxyflavone derivative20216,469,752'Attachable protective screen for image display device and installation method therefor'20026,222,594'Runner apparatus for an injection molding process and method therefor'20015,786,933'Rear projector cabinet'19985,669,681'Mirror securing device'19975,296,265'Fluidized coating apparatus having perforated rotating disk and method of using same'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to FREUNT IND CO LTD (1)· patent assignee history
1994Patents assigned to KAKEN PHARMA CO LTD (1)· patent assignee history
1994Patents assigned to OKAWARA MF CO LTD (1)· patent assignee history
1994Based in Fujieda, JP· patent location history
1997–2002Patents assigned to SONY CORP (4)· patent assignee history
1997–2002Patents assigned to SONY ELECTRONICS INC (3)· patent assignee history
1997Based in Pittsburgh, PA, US· patent location history
1998Based in Tokyo, JP· patent location history
2001–2002Based in Harrison City, PA, US· patent location history
2021Based in Sakura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP41997–2002
SONY ELECTRONICS INC31997–2002
FREUNT IND CO LTD11994
KAKEN PHARMA CO LTD11994
OKAWARA MF CO LTD11994
Locations
LocationPatentsSpan
Harrison City, Pennsylvania, US22001–2002
Sakura, JP12021
Tokyo, JP11998
Pittsburgh, Pennsylvania, US11997
Fujieda, JP11994