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Inventor

Keizo Unno

Inventor
Tokyo, JP

Overview

7→
Patents
1986–2007
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.

B30Bprimary
B30BPresses in general55%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material18%
Y10TTechnical subjects covered by former us classification18%
B23BTurning9%
PatentTitleYear
7,165,490'Press forming method'20077,143,617'Press'20067,086,327'Press forming method'20067,007,529'Pressing machine'20066,810,704'Press forming machine'20045,669,128'Index-feed machining system'19974,569,115'Method and apparatus for controlling the depth of cut in the radial direction of a rotary cutting tool in a machine tool'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to IKEGAI IRON WORKS LTD (1)· patent assignee history
1986–2007Based in Tokyo, JP· patent location history
1997Patents assigned to INST TECH PRECISION ENG (1)· patent assignee history
1997Based in Kawasaki, JP· patent location history
2004–2006Patents assigned to INST TECH PREC ELECT DISCHARGE (3)· patent assignee history
2006Patents assigned to INST TECH PRECISION ELECT (1)· patent assignee history
2006Based in Atsugi, JP· patent location history
2007Patents assigned to HODEN SEIMITUS KAKO KENKYUSHO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INST TECH PREC ELECT DISCHARGE32004–2006
HODEN SEIMITUS KAKO KENKYUSHO12007
IKEGAI IRON WORKS LTD11986
INST TECH PRECISION ELECT12006
INST TECH PRECISION ENG11997
Locations
LocationPatentsSpan
Tokyo, JP51986–2007
Atsugi, JP12006
Kawasaki, JP11997