Inventor

Masao Kitamura

Inventor

Hitachiota, JP

Overview

1980–2002

Patent span

Physics

Primary field (CPC G)

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

B65Gprimary

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors15%

G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment15%

A47BTables8%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%

B41JTypewriters8%

G01GWeighing8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

G01TMeasurement of nuclear or x-radiation8%

G21CNuclear reactors8%

H04NPictorial communication, e.g. television8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980–1986Patents assigned to HITACHI LTD (4)· patent assignee history

1980–1986Based in Hitachiota, JP· patent location history

1984Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history

1984Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history

1984Based in Tokyo, JP· patent location history

1986Patents assigned to HITACHI ENG CO LTD (1)· patent assignee history

1996Based in Souka, JP· patent location history

1998–2002Patents assigned to KYOJI CO LTD (3)· patent assignee history

1998–2002Based in Kyoto, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations