Inventor

Seiji Nakashima

Inventor

Tokyo, JP

Overview

25→

Patents

2001–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 25 as inventor

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

F04Dprimary

F04DNon-positive-displacement pumps20%

F24FAir-conditioning16%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants13%

B62DMotor vehicles7%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load4%

F01DNon-positive displacement machines or engines, e.g. steam turbines4%

B82YSpecific uses or applications of nanostructures2%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g2%

F15BSystems acting by means of fluids in general2%

PatentTitleYear

11,098,734Propeller fan, air-conditioning apparatus and ventilator2021 11,022,327Outdoor unit of air-conditioning apparatus2021 10,820,385LED drive circuit, LED drive device, and LED drive system2020 10,801,518Blower apparatus2020 10,648,681Heat source unit and refrigeration cycle apparatus2020 10,634,161Propeller fan, propeller fan device, and air conditioner outdoor unit2020 10,508,662Propeller fan2019 10,495,328Outdoor unit of air conditioner and refrigeration cycle device2019 10,480,526Axial flow fan and air-conditioning apparatus including the same2019 10,400,605Turbofan and indoor unit for air conditioning apparatus2019 D0858737Propeller fan2019 10,378,781Outdoor unit for refrigeration cycle apparatus, and refrigeration cycle apparatus2019 10,052,931Outdoor cooling unit in vehicle air-conditioning apparatus2018 9,982,898Indoor unit of air conditioner and air conditioner including a heat exchanger on a downstream side of a blower2018 9,784,507'Outdoor cooling unit for vehicular air conditioning apparatus'2017 9,605,686'Axial flow fan and air-conditioning apparatus having the same'2017 9,394,911'Axial flow fan'2016 8,080,935'Organic EL display and method for manufacturing same'2011 7,474,276'Display system and microdisplay apparatus'2009 7,357,215'Steering apparatus for electric industrial vehicle'2008 7,084,512'Circuit substrate and its manufacturing method'2006 6,695,567'Hydraulic device for industrial vehicles'2004 6,593,045'Substrate processing apparatus and method'2003 6,484,081'Power steering system'2002 6,202,410'Hydraulic system for forklift'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2004Patents assigned to TOYODA AUTOMATIC LOOM WORKS (3)· patent assignee history

2001–2002Based in Aichi, JP· patent location history

2004–2008Based in Kariya, JP· patent location history

2011–2018Patents assigned to NAKASHIMA SEIJI (4)· patent assignee history

2016–2021Patents assigned to MITSUBISHI ELECTRIC CORP (16)· patent assignee history

2016–2017Based in Chiyoda-ku, JP· patent location history

2017–2021Based in Tokyo, JP· patent location history

2018Patents assigned to AKIYOSHI MASAO (1)· patent assignee history

2018Patents assigned to FUKUI TOMOYA (1)· patent assignee history

2020Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	16	2016–2021
NAKASHIMA SEIJIself	4	2011–2018
TOYODA AUTOMATIC LOOM WORKS	3	2001–2004
AKIYOSHI MASAO	1	2018
FUKUI TOMOYA	1	2018

Locations

Location	Patents	Span
Tokyo, JP	14	2017–2021
Chiyoda-ku, JP	2	2016–2017
Kariya, JP	2	2004–2008
Aichi, JP	2	2001–2002
Kyoto, JP	1	2020