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Inventor

Akio Sugita

Inventor
Tokyo, JP

Overview

13→
Patents
1986–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus39%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
H01TSpark gaps9%
H05FStatic electricity9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H05KPrinted circuits4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
7,397,647'Ionized gas current emission type dust-free ionizer'20087,389,033'Planar lightwave circuit type variable optical attenuator'20087,126,807'Ionized air flow discharge type non-dusting ionizer'20066,757,454'Polarization desensitized optical waveguide interferometer'20046,580,862'Optical waveguide circuit'20036,304,706'Planar lightwave circuit'20016,222,967'Packaging platform, optical module using the platform, and methods for producing the platform and the module'20016,164,836'Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform'20006,027,254'Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform'20005,621,837'Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit and process for fabricating platform'19974,978,188'Integrated optical device and method for manufacturing thereof'19904,900,112'Integrated optical device and method for manufacturing thereof'19904,608,129'Polymer film with conductive pattern and method of manufacturing the same'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2008Patents assigned to NIPPON TELEGRAPH & TELEPHONE (10)· patent assignee history
1986–1990Based in Mito, JP· patent location history
1997–2000Based in Tomobe, JP· patent location history
2000–2008Based in Ibaraki, JP· patent location history
2001–2008Based in Tokyo, JP· patent location history
2004Patents assigned to NTT ADVANCED TECH KK (1)· patent assignee history
2006–2008Patents assigned to HARADA CORP (2)· patent assignee history
2008Patents assigned to HAMAMATSU PHOTONICS KK (1)· patent assignee history
2008Patents assigned to TECHNO RYOWA LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE101986–2008
HARADA CORP22006–2008
HAMAMATSU PHOTONICS KK12008
NTT ADVANCED TECH KK12004
TECHNO RYOWA LTD12008
Locations
LocationPatentsSpan
Tokyo, JP42001–2008
Ibaraki, JP42000–2008
Mito, JP31986–1990
Tomobe, JP21997–2000