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Inventor

Yasuo Yoshii

Inventor
Takasago, JP

Overview

7→
Patents
1984–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

B29Cprimary
B29CShaping or joining of plastics24%
B29BPreparation or pretreatment of the material to be shaped18%
B26DCutting12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
Y10TTechnical subjects covered by former us classification12%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C08LCompositions of macromolecular compounds6%
F16CShafts6%
F16HGearing6%
PatentTitleYear
10,871,219Speed-switchable reduction gear20208,602,762'Resin granulating apparatus'20137,338,273'Cutter machine'20086,638,045'Die for manufacturing resin pellets'2003RE037681'Filter member and screen changer for use in resin extruder'20025,756,129'Filter member and screen changer for use in resin extruder'19984,461,865'ABS Resin composition'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to DENKI KAGAKU KOGYO KK (1)· patent assignee history
1984Based in Ichihara, JP· patent location history
1998–2020Patents assigned to KOBE STEEL LTD (6)· patent assignee history
1998–2020Based in Takasago, JP· patent location history
2002Based in Osaka, JP· patent location history
2013Patents assigned to ARITA KEIZO (1)· patent assignee history
2013Patents assigned to IKEDA OSAMU (1)· patent assignee history
2013Patents assigned to IRITANI KAZUO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD61998–2020
ARITA KEIZO12013
DENKI KAGAKU KOGYO KK11984
IKEDA OSAMU12013
IRITANI KAZUO12013
Locations
LocationPatentsSpan
Takasago, JP51998–2020
Osaka, JP12002
Ichihara, JP11984