Inventor

Katsuhiko Kawabata

Inventor

Tokyo, JP

Overview

1988–2020

Patent span

Electricity

Primary field (CPC H)

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties18%

Y10TTechnical subjects covered by former us classification18%

B23DPlaning14%

H01JElectric discharge tubes or discharge lamps11%

B01LChemical or physical laboratory apparatus for general use7%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%

B43KImplements for writing or drawing4%

F04BPositive-displacement machines for liquids4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1988–1990Patents assigned to AMADA CO LTD (4)· patent assignee history

1988–1990Based in Takasago, JP· patent location history

1990Patents assigned to PENTEL KK (1)· patent assignee history

1996–2007Patents assigned to SANYO ELECTRIC CO (3)· patent assignee history

1996Based in Hyogo, JP· patent location history

2007Based in Sumoto, JP· patent location history

2013–2020Patents assigned to IAS INC (5)· patent assignee history

2013Patents assigned to KAWABATA KATSUHIKO (1)· patent assignee history

2013Based in Kunitachi, JP· patent location history

2017–2020Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations