Inventor

Takashi Sumida

Inventor

Shiga, JP

Overview

1987–2014

Patent span

Physics

Primary field (CPC G)

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer50%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%

B60CVehicle tyres6%

F16HGearing6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987–2014Patents assigned to HITACHI MAXELL (9)· patent assignee history

1987Patents assigned to HITACHI LTD (1)· patent assignee history

1987–1988Based in Takatsuki, JP· patent location history

1995–2000Based in Shiga, JP· patent location history

2001Patents assigned to BRIDGESTONE CORP (1)· patent assignee history

2007Based in Osaka, JP· patent location history

2011–2014Patents assigned to SUMIDA TAKASHI (2)· patent assignee history

2011Patents assigned to AKATSUCHI OSAMU (1)· patent assignee history

2011Based in Ibaraki, JP· patent location history

2014Based in Kyoto, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations