Inventor

Masatsugu Oshima

Inventor

Nagoya, JP

Overview

5→

Patents

1993–2007

Patent span

Physics

Primary field (CPC G)

Patents· 5 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

H03HImpedance networks, e.g. resonant circuits33%

C23CCoating metallic material17%

G02BOptical elements, systems or apparatus17%

PatentTitleYear

7,184,631'Optical device'2007 6,961,493'Optical device'2005 5,710,529'Surface acoustic wave filer device having a cascade filter structure and a piezoelectric substrate having mirror-polished surfaces'1998 5,294,859'Surface acoustic wave filter device'1994 5,273,791'Method of improving the corrosion resistance of a metal'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2007Patents assigned to NGK INSULATORS LTD (5)· patent assignee history

1993–2007Based in Nagoya, JP· patent location history

1994Patents assigned to YAMANOCHI KAZUHIKO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NGK INSULATORS LTD	5	1993–2007
YAMANOCHI KAZUHIKO	1	1994

Locations

Location	Patents	Span
Nagoya, JP	5	1993–2007