Inventor

Ryoji Kaku

Inventor

Tokyo, JP

Overview

6→

Patents

1992–2008

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus63%

B82YSpecific uses or applications of nanostructures13%

G01CMeasuring distances, levels or bearings13%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

PatentTitleYear

7,336,866'Optical fiber device'2008 6,851,868'Optical connector module'2005 6,739,762'Optical device package'2004 6,685,870'Method and apparatus for manufacturing photonic crystal element'2004 5,185,823'Waveguide type optical device'1993 5,085,501'Fiber optic gyroscope using optical waveguide couplers'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2008Patents assigned to JAPAN AVIATION ELECTRON (6)· patent assignee history

1992Based in Tachikawa, JP· patent location history

1993–2004Based in Tokyo, JP· patent location history

2005Based in Akishima, JP· patent location history

2008Based in Shibuya-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN AVIATION ELECTRON	6	1992–2008

Locations

Location	Patents	Span
Tokyo, JP	3	1993–2004
Shibuya-ku, JP	1	2008
Akishima, JP	1	2005
Tachikawa, JP	1	1992