Inventor

Masao Mashita

Inventor

Yokohama, JP

Overview

8→

Patents

1977–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

C23Cprimary

C23CCoating metallic material20%

C30BSingle-crystal growth20%

H10DInorganic electric semiconductor devices10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

B82YSpecific uses or applications of nanostructures5%

G11BInformation storage based on relative movement between record carrier and transducer5%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light5%

H03HImpedance networks, e.g. resonant circuits5%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%

H10HInorganic light-emitting semiconductor devices having potential barriers5%

PatentTitleYear

6,333,516'Quantum effect device'2001 5,895,938'Semiconductor device using semiconductor BCN compounds'1999 5,425,811'Apparatus for manufacturing a nitrogen containing compound thin film'1995 5,300,185'Method of manufacturing III-V group compound semiconductor'1994 5,229,319'Method for producing compound semiconductors and apparatus therefor'1993 5,213,654'Vapor-phase epitaxial growth method for semiconductor crystal layers'1993 4,433,340'Optical recording medium'1984 4,065,734'Elastic surface wave devices'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to TOKYO SHIBAURA ELECTRIC CO (2)· patent assignee history

1977–2001Based in Yokohama, JP· patent location history

1993–2001Patents assigned to TOSHIBA KK (6)· patent assignee history

1993Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	6	1993–2001
TOKYO SHIBAURA ELECTRIC CO	2	1977–1984

Locations

Location	Patents	Span
Yokohama, JP	7	1977–2001
Kanagawa, JP	1	1993