Inventor

Toshinori Hirataka

Inventor

Yokohama, JP

Overview

1997–2007

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus55%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1030%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light10%

B82YSpecific uses or applications of nanostructures5%

PatentTitleYear

7,165,898'Optical module, method for manufacturing optical module and optical communication apparatus'2007 6,991,950'Method for fabricating semiconductor laser element and the same laser element'2006 6,937,631'Semiconductor laser device'2005 6,726,375'Optical module, method for manufacturing optical module and optical communication apparatus'2004 6,668,140'Module for optical communication'2003 6,632,027'Optical module'2003 6,457,877'Optical module, method for manufacturing optical module and optical communication apparatus'2002 6,364,540'Optical transmission module for achieving an optimum optical connection and useful for high density mounting'2002 6,341,027'Module for optical communication'2002 6,290,402'Optical transmission module for achieving an optimum optical connection and useful for high density mounting'2001 6,282,352'Optical module, method for manufacturing optical module and optical communication apparatus'2001 6,220,764'Optical module, method for manufacturing optical module and optical communication apparatus'2001 5,675,684'Optical module having semiconductor elements fixedly mounted thereon with improved accuracy'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2007Patents assigned to HITACHI LTD (10)· patent assignee history

1997Based in Ome, JP· patent location history

2001Patents assigned to HIATCHI LTD (1)· patent assignee history

2001–2007Based in Yokohama, JP· patent location history

2002–2003Based in Hachioji, JP· patent location history

2005–2006Patents assigned to OPNEXT JAPAN INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	10	1997–2007
OPNEXT JAPAN INC	2	2005–2006
HIATCHI LTD	1	2001

Locations

Location	Patents	Span
Yokohama, JP	10	2001–2007
Hachioji, JP	2	2002–2003
Ome, JP	1	1997