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Inventor

Toshio Yanagihara

Inventor
Kobe, JP

Overview

5→
Patents
1984–1997
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B29Cprimary
B29CShaping or joining of plastics27%
B29DProducing particular articles from plastics or from substances in a plastic state27%
B29BPreparation or pretreatment of the material to be shaped18%
B30BPresses in general9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
5,607,703'Roller head extruder unit'19975,415,473'Cone type twin screw extruder having gear reduction system'19954,695,234'Central mechanism in a tire vulcanizing press'19874,669,964'Tire vulcanizer'19874,457,802'Apparatus for conveying and shaping rubber sheet materials'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1997Patents assigned to KOBE STEEL LTD (5)· patent assignee history
1984–1987Based in Kobe, JP· patent location history
1995–1997Based in Takasago, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOBE STEEL LTD51984–1997
Locations
LocationPatentsSpan
Kobe, JP31984–1987
Takasago, JP21995–1997