Inventor

Hidehito Obayashi

Inventor

Tokyo, JP

Overview

1976–2001

Patent span

Physics

Primary field (CPC G)

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

H01Mprimary

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy15%

G01NInvestigating or analysing materials by determining their chemical or physical properties12%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices9%

Y10TTechnical subjects covered by former us classification9%

C01BNon-metallic elements6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C03BManufacture, shaping, or supplementary processes3%

G01BMeasuring length, thickness or similar linear dimensions3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–2001Patents assigned to HITACHI LTD (14)· patent assignee history

1976–2001Based in Tokyo, JP· patent location history

1983Patents assigned to HITACHI MAXELL (1)· patent assignee history

1985–1986Based in Nerima-ku, JP· patent location history

1988Based in Burlingame, CA, US· patent location history

1995Patents assigned to HITACHI AUTOMOTIVE ENG (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations