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Inventor

Kazuhiro Arakawa

Inventor
Yamato, JP

Overview

6→
Patents
1983–2011
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G06Fprimary
G06FElectric digital data processing18%
B05CApparatus for applying fluent materials to surfaces, in general9%
F04BPositive-displacement machines for liquids9%
F16JPistons9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
H01HElectric switches9%
H01JElectric discharge tubes or discharge lamps9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
LOCD19%
PatentTitleYear
7,942,647'Pump for supplying chemical liquids'20117,766,341'Seal structure, fluid device, integrated valve, and sealing member'20107,262,410'Sample observing apparatus and sample observing method'20074,646,062'Key input device'19874,527,862'Liquid crystal display keyboard'1985D0269278'Desk-top electronic calculator'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1987Patents assigned to CANON KK (3)· patent assignee history
1983–1987Based in Yamato, JP· patent location history
2007Patents assigned to ADVANTEST CORP (1)· patent assignee history
2007Based in Tokyo, JP· patent location history
2010–2011Patents assigned to CKD CORP (2)· patent assignee history
2010–2011Patents assigned to OCTEC INC (2)· patent assignee history
2010–2011Based in Komaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK31983–1987
CKD CORP22010–2011
OCTEC INC22010–2011
ADVANTEST CORP12007
Locations
LocationPatentsSpan
Yamato, JP31983–1987
Komaki, JP22010–2011
Tokyo, JP12007