Inventor

Koji Enbutsu

Inventor

Mito, JP

Overview

14→

Patents

2001–2009

Patent span

Physics

Primary field (CPC G)

Patents· 14 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus29%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein26%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

7,492,975'Optical switch, optical modulator and wavelength variable filter'2009 7,358,036'Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same'2008 7,356,227'Optical switch, optical modulator and wavelength variable filter'2008 7,340,116'Optical switch, optical modulator and wavelength variable filter'2008 7,336,854'Optical switch, optical modulator and wavelength variable filter'2008 7,110,652'Optical waveguide and method of manufacture'2006 6,996,321'Optical waveguide and method of manufacture'2006 6,933,097'Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same'2005 6,806,040'Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same'2004 6,795,232'Wavelength converter'2004 6,792,189'Optical waveguide and method of manufacture'2004 6,537,723'Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same'2003 6,496,624'Optical waveguide device for optical wiring and manufacturing method therefor'2002 6,226,429'Manufacturing method for optical waveguide device'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2009Patents assigned to NIPPON TELEGRAPH & TELEPHONE (14)· patent assignee history

2001–2002Based in Tokyo, JP· patent location history

2003–2008Based in Mito, JP· patent location history

2004Based in Ibaraki, JP· patent location history

2008–2009Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	14	2001–2009

Locations

Location	Patents	Span
Mito, JP	7	2003–2008
Atsugi, JP	4	2008–2009
Tokyo, JP	2	2001–2002
Ibaraki, JP	1	2004