Inventor

Tadashi Utagawa

Inventor

Yokohama, JP

Overview

3→

Patents

1985–2000

Patent span

Electricity

Primary field (CPC H)

Patents· 3 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices20%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation20%

H10NElectric solid-state devices not otherwise provided for20%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

PatentTitleYear

6,011,981'Oxide superconductor multilayered film and oxide superconductor josephson device'2000 4,567,502'Planar type semiconductor device with a high breakdown voltage'1986 4,500,744'Photovoltaic device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1986Patents assigned to TOKYO SHIBAURA ELECTRIC CO (2)· patent assignee history

1985–1986Based in Yokohama, JP· patent location history

2000Patents assigned to INT SUPERCONDUCTIVITY TECH (1)· patent assignee history

2000Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO SHIBAURA ELECTRIC CO	2	1985–1986
INT SUPERCONDUCTIVITY TECH	1	2000

Locations

Location	Patents	Span
Yokohama, JP	2	1985–1986
Tokyo, JP	1	2000