Inventor

Nobuo Tomita

Inventor

Higashi-Ibaraki-gun, JP

Overview

15→

Patents

1993–2006

Patent span

Physics

Primary field (CPC G)

Patents· 15 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus45%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%

A63FCard, board, or roulette games5%

G06FElectric digital data processing5%

G10HElectrophonic musical instruments5%

H04BTransmission5%

H04QSelecting5%

H10DInorganic electric semiconductor devices5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

7,086,789'Optical element module with a primary coated optical fiber'2006 6,905,413'Music game system'2005 6,359,326'Composite transistor incorporating collector-common resistors'2002 6,256,443'Optical fiber distribution module for holding an optical fiber cord and fiber distribution system using optical fiber cords'2001 6,045,269'Multicore optical connector and method of producing the connector'2000 5,940,553'Optical switch'1999 5,926,588'Optical switch'1999 5,796,888'Optical switch apparatus'1998 5,699,371'Light pulse generator'1997 5,596,449'Light pulse generator'1997 5,557,753'Information processing unit having a multiplexed bus and a bus control method therefor'1996 5,483,608'Optical switch for switching plural optical fibers'1996 5,261,018'Optical-coupler reinforcing material and optical-coupler reinforcing method'1993 5,234,772'Dielectric multilayer, filter, manufacturing method therefor, and optical element incorporating the same'1993 5,177,354'Device and a method for distinguishing faults employed in an optical transmission system'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2006Patents assigned to NIPPON TELEGRAPH & TELEPHONE (12)· patent assignee history

1993–1999Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history

1993Based in Ibaraki, JP· patent location history

1996–1999Based in Higashi-Ibaraki-gun, JP· patent location history

1997Patents assigned to ANDO ELECTRIC (2)· patent assignee history

1998Patents assigned to FUJIKURA LTD (1)· patent assignee history

2000Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history

2000–2001Based in Suwa, JP· patent location history

2005Based in Kobe, JP· patent location history

2006Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	12	1993–2006
SUMITOMO ELECTRIC INDUSTRIES	4	1993–1999
ANDO ELECTRIC	2	1997
FUJIKURA LTD	1	1998
FURUKAWA ELECTRIC CO LTD	1	2000

Locations

Location	Patents	Span
Higashi-Ibaraki-gun, JP	6	1996–1999
Suwa, JP	2	2000–2001
Ibaraki, JP	2	1993
Tokyo, JP	1	2006
Kobe, JP	1	2005