Inventor

Yasufumi Yamada

Inventor

Mito, JP

Overview

28→

Patents

1977–2016

Patent span

Physics

Primary field (CPC G)

Patents· 28 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus18%

B23KSoldering or unsoldering10%

Y10TTechnical subjects covered by former us classification6%

G03HHolographic processes or apparatus5%

B29CShaping or joining of plastics4%

B81BMicrostructural devices or systems, e.g. micromechanical devices4%

B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems4%

G01CMeasuring distances, levels or bearings4%

G11BInformation storage based on relative movement between record carrier and transducer4%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%

PatentTitleYear

9,445,062'Imaging device, imaging system, and imaging method'2016 8,760,501'Stereo camera apparatus and vehicle-mountable monitoring apparatus using same'2014 8,049,138'Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure'2011 7,910,869'Laser processing apparatus using distinct horizontal and vertical data sets'2011 7,693,662'Drive recorder for vehicle'2010 7,679,499'Warning system'2010 7,636,633'Car navigation system'2009 7,518,086'Method and device for adjusting wavelength distribution pattern in laser'2009 7,482,052'Method for processing by laser, apparatus for processing by laser, and three-dimensional structure'2009 7,343,127'Mark forming method for moving body and moving body having mark'2008 7,072,566'Ultrashort-pulse laser-working method and apparatus and structural bodies produced by using the same'2006 7,067,198'Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure'2006 6,949,215'Method for processing a three-dimensional structure by laser'2005 6,885,823'Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing method'2005 6,816,178'Method and apparatus for color image forming capable of performing a precise synchronization between toner image forming per color and its overlaying'2004 6,803,540'Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure'2004 6,480,639'Optical module'2002 6,222,967'Packaging platform, optical module using the platform, and methods for producing the platform and the module'2001 6,164,836'Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform'2000 6,027,254'Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform'2000 5,903,697'Optical waveguide, method of making the same and integrated optical device'1999 5,621,837'Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit and process for fabricating platform'1997 5,327,517'Guided-wave circuit module and wave-guiding optical component equipped with the module'1994 5,036,263'Piezoelectric actuator driving apparatus'1991 4,750,799'Hybrid optical integrated circuit'1988 4,749,897'Driving device for piezoelectric element'1988 4,735,677'Method for fabricating hybrid optical integrated circuit'1988 4,021,712'Control system for automatic transmission for electric automobiles'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2002Patents assigned to NIPPON TELEGRAPH & TELEPHONE (8)· patent assignee history

1988–2005Based in Mito, JP· patent location history

1988–2010Based in Okazaki, JP· patent location history

2001–2006Based in Tokyo, JP· patent location history

2004–2009Patents assigned to RICOH KK (6)· patent assignee history

2004–2011Patents assigned to RIKEN (5)· patent assignee history

2004–2011Based in Kanagawa, JP· patent location history

2006–2011Based in Saitama-shi, JP· patent location history

2009–2010Patents assigned to DENSO CORP (3)· patent assignee history

2011–2016Patents assigned to RICOH CO LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	8	1988–2002
RICOH KK	6	2004–2009
RIKEN	5	2004–2011
RICOH CO LTD	4	2011–2016
DENSO CORP	3	2009–2010

Locations

Location	Patents	Span
Mito, JP	6	1988–2005
Okazaki, JP	5	1988–2010
Tokyo, JP	5	2001–2006
Saitama-shi, JP	3	2006–2011
Kanagawa, JP	3	2004–2011