Inventor

Tsutomu Nagatsuka

Inventor

Tokyo, JP

Overview

16→

Patents

1990–2014

Patent span

Electricity

Primary field (CPC H)

Patents· 16 as inventor

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

H03Hprimary

H03HImpedance networks, e.g. resonant circuits28%

G01NInvestigating or analysing materials by determining their chemical or physical properties17%

H10NElectric solid-state devices not otherwise provided for14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%

Y10TTechnical subjects covered by former us classification7%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner3%

H03FAmplifiers3%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%

PatentTitleYear

8,705,165'Optical wavelength conversion element, wavelength conversion laser device, and image display device'2014 8,094,690'Wavelength converting element and wavelength converting laser apparatus'2012 7,723,666'Photodiode array configured to increase electrical output power and optical microwave transmission system receiver utilizing the same'2010 7,196,452'Film acoustic wave device, manufacturing method and circuit device'2007 6,963,155'Film acoustic wave device, manufacturing method and circuit device'2005 6,674,215'Elastic wave device'2004 6,586,861'Film bulk acoustic wave device'2003 6,426,584'Elastic wave device'2002 6,396,200'Thin film piezoelectric element'2002 5,942,688'Apparatus and method for detecting a measurable quantity of an object'1999 5,789,845'Film bulk acoustic wave device'1998 5,417,114'Echo based detecting apparatus employing signal generator and correlator'1995 5,415,045'Apparatus and method for detecting flaws in and inspecting an object'1995 5,272,923'Inspection apparatus'1993 5,203,823'Detecting apparatus'1993 4,954,793'Filter bank'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2014Patents assigned to MITSUBISHI ELECTRIC CORP (16)· patent assignee history

1990–1999Based in Kanagawa, JP· patent location history

1998–2014Based in Tokyo, JP· patent location history

2012–2014Patents assigned to HIRANO YOSHIHITO (2)· patent assignee history

2012–2014Patents assigned to NAGATSUKA TSUTOMU (2)· patent assignee history

2012–2014Patents assigned to YAMAMOTO SHUHEI (2)· patent assignee history

2012–2014Patents assigned to YANAGISAWA TAKAYUKI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	16	1990–2014
HIRANO YOSHIHITO	2	2012–2014
NAGATSUKA TSUTOMUself	2	2012–2014
YAMAMOTO SHUHEI	2	2012–2014
YANAGISAWA TAKAYUKI	2	2012–2014

Locations

Location	Patents	Span
Tokyo, JP	10	1998–2014
Kanagawa, JP	6	1990–1999