Inventor

Izumi Ikeo

Inventor

Yamanashi, JP

Overview

3→

Patents

1998–2004

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 3 as inventor

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

H10Fprimary

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation29%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution29%

Y02PClimate change mitigation technologies in the production or processing of goods29%

F16CShafts14%

PatentTitleYear

6,722,785'Fluid dynamic bearing'2004 5,891,264'Solar cell and method for producing electrode for solar cell'1999 5,711,824'Solar cell'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2004Patents assigned to TDK CORP (3)· patent assignee history

1998–1999Patents assigned to SEMICONDUCTOR ENERGY LAB (2)· patent assignee history

1998–1999Based in Yamanashi, JP· patent location history

2004Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TDK CORP	3	1998–2004
SEMICONDUCTOR ENERGY LAB	2	1998–1999

Locations

Location	Patents	Span
Yamanashi, JP	2	1998–1999
Tokyo, JP	1	2004