Inventor

Toshiyuki Kambe

Inventor

Tokyo, JP

Overview

10→

Patents

1985–2012

Patent span

Physics

Primary field (CPC G)

Patents· 10 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 therein58%

G02BOptical elements, systems or apparatus17%

H01HElectric switches8%

H04LTransmission of digital information, e.g. telegraphic communication8%

H04WWireless communication networks8%

PatentTitleYear

8,331,337'Session management apparatus, communication system, and session clear-out method'2012 7,555,127'Quantum cryptography key distribution system and method'2009 6,928,212'Waveguide-type optical control device and process for producing the same'2005 6,879,737'Optical waveguide device and process for production thereof'2005 6,876,782'Integrated type optical waveguide device'2005 6,778,313'Optical phase modulator and optical equalizer using the same'2004 6,714,706'Waveguide-type optical control device and process for producing the same'2004 6,385,360'Light control device and a method for manufacturing the same'2002 5,687,265'Optical control device and method for making the same'1997 4,551,588'Timer device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to TOKYO ELECTRIC CO LTD (1)· patent assignee history

1985Based in Mishima, JP· patent location history

1997–2012Patents assigned to NEC CORP (9)· patent assignee history

1997–2012Based in Tokyo, JP· patent location history

2012Patents assigned to KAMBE TOSHIYUKI (1)· patent assignee history

2012Patents assigned to YANAGISAWA AKIRA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	9	1997–2012
KAMBE TOSHIYUKIself	1	2012
TOKYO ELECTRIC CO LTD	1	1985
YANAGISAWA AKIRA	1	2012

Locations

Location	Patents	Span
Tokyo, JP	9	1997–2012
Mishima, JP	1	1985