Inventor

Naoki Itoh

Inventor

Wako, JP

Overview

22→

Patents

1993–2019

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 22 as inventor

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

G03Gprimary

G03GElectrography9%

F01CRotary-piston or oscillating-piston machines or engines7%

H03KPulse technique7%

Y02TClimate change mitigation technologies related to transportation7%

F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines5%

F01DNon-positive displacement machines or engines, e.g. steam turbines5%

F02GHot gas or combustion-product positive-displacement engine plants5%

F04BPositive-displacement machines for liquids5%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%

H01RElectrically-conductive connections5%

PatentTitleYear

10,519,812Turbine2019 10,393,143Compressor with annular diffuser having first vanes and second vanes2019 9,978,497Wound magnetic core and method of producing the same2018 7,934,050'Microcomputer for flash memory rewriting'2011 7,901,268'Method for grinding journal section of workpiece'2011 7,780,877'High-frequency substrate and production method therefor'2010 7,367,783'Rotating fluid machine'2008 7,000,394'Rankine cycle device'2006 6,959,638'Rotary hydraulic machine'2005 6,846,163'Rotary fluid machine having rotor segments on the outer periphery of a rotor core'2005 6,761,143'Coupling structure for expansion unit output shaft and driven-side transmission shaft'2004 6,759,174'Photoconductor for electrophotography and manufacturing method thereof'2004 6,292,037'Output circuit of semiconductor integrated circuit'2001 6,218,325'Fiber-reinforced ceramic green body and sindered ceramic article obtained therefrom'2001 5,999,036'Output circuit with output voltage controlled by current flow through an output transistor circuit'1999 5,966,007'Current source circuit'1999 5,945,243'Photoconductor for electrophotography and method of manufacturing the same'1999 5,874,570'Titanyloxyphthalocyanine crystals, and method of preparing the same'1999 5,736,282'Electrophotographic photoreceptors including titanyloxyphthalocyanine crystals'1998 5,376,024'Terminal connecting device'1994 5,289,048'Analog multiplexer circuit having an active load circuit functioning commonly for a plurality of bipolar differential amplifying input circuits'1994 5,266,058'Terminal connecting device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history

1993–1994Based in Aichi, JP· patent location history

1994–2001Patents assigned to TOSHIBA KK (4)· patent assignee history

1998–1999Patents assigned to FUJI ELECTRIC CO LTD (3)· patent assignee history

1998–2001Based in Kawasaki, JP· patent location history

1999–2004Based in Nagano, JP· patent location history

2001–2019Patents assigned to HONDA MOTOR CO LTD (8)· patent assignee history

2001–2019Based in Saitama, JP· patent location history

2004–2019Based in Wako, JP· patent location history

2011Patents assigned to DENSO CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HONDA MOTOR CO LTD	8	2001–2019
TOSHIBA KK	4	1994–2001
FUJI ELECTRIC CO LTD	3	1998–1999
MITSUBISHI ELECTRIC CORP	2	1993–1994
DENSO CORP	1	2011

Locations

Location	Patents	Span
Wako, JP	6	2004–2019
Kawasaki, JP	4	1998–2001
Saitama, JP	2	2001–2019
Nagano, JP	2	1999–2004
Aichi, JP	2	1993–1994