Inventor

Yasuo Ishikawa

Inventor
Chigasaki, JP

Overview

12→
Patents
1976–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

C01Bprimary
C01BNon-metallic elements11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B05BSpraying apparatus7%
G06FElectric digital data processing7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
C08JWorking-up4%
C08LCompositions of macromolecular compounds4%
C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials4%
C10GCracking hydrocarbon oils4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to TOKICO LTD (2)· patent assignee history
1976–1978Based in Yokohama, JP· patent location history
1992Patents assigned to GRACO INC (1)· patent assignee history
1992–2016Based in Chigasaki, JP· patent location history
1993–1995Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1993–1995Based in Kanagawa, JP· patent location history
2012–2016Patents assigned to ISHIKAWA YASUO (4)· patent assignee history
2012Patents assigned to BLEST CO LTD (1)· patent assignee history
2014Based in Fukuoka, JP· patent location history
2020Based in Koshigaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ISHIKAWA YASUOself42012–2016
MITSUBISHI ELECTRIC CORP31993–1995
TOKICO LTD21976–1978
BLEST CO LTD12012
GRACO INC11992
Locations
LocationPatentsSpan
Chigasaki, JP41992–2016
Kanagawa, JP31993–1995
Yokohama, JP21976–1978
Koshigaya, JP12020
Fukuoka, JP12014