R&D / Technology - Awards/Prizes

The Japan Institute of Invention and Innovation (JIII) organizes the National Commendation for Invention, through which it commends inventions that contribute to the progress of science and technology and the development of industry. Through this commendation system, the Mitsubishi Electric Group won an Imperial Invention Prize for its data encoding systems (information security technology) in fiscal 2004 and a 21st Century Invention Prize for its ozone generation technology in fiscal 2006. The following table shows the recent JIII prizes that Mitsubishi Electric Group has received for inventions that were highly acclaimed by third parties.

The Prize of The Chairman of Japan Business Federation

Year: 2020
Patent No.: 4931970

Invention of Refrigerant Liquefaction Prevention Method in an Air-conditioning Apparatus Using Induction Heating

The Invention Prize

Year: 2020
Patent No.: 1589857

Design of Ultra-high Precision Electric Discharge Machine that Enhances the Factory Environment

The Invention Prize

Year: 2020
Patent No.: 4486678

Invention of high density winding technique for compact and lightweight DC motors

The Invention Prize

Year: 2019
Patent No.: 4382312

Invention of a power switching elements drive circuit using two pulses

The Invention Prize

Year: 2018
Patent No.: 1498415

Design of interior-oriented air conditioner

The Prize of Commissioner of Japan Patent Office

Year: 2017
Patent No.: 4552848

Invention of variable-shape mirror for improving laser via drilling accuracy

The Asahi Shimbun Prize

Year: 2017
Patent No.: 5592688

Rotor eccentricity estimation method and rotor eccentricity presumption system for rotating electrical machines

The Prize of the Chairman of HATSUMEI KYOKAI (JIII)

Year: 2016
Patent No.: 1517372

Simple and compact turbine generator design

The Invention Prize

Year: 2016
Patent No.: 4671772

Gasoline Vapor Liquefied Collection System at a Gas Station

The Invention Prize

Year: 2012
Patent No.: 3693932

Dynamic Bandwidth Assignment Scheme on PON (Passive Optical Network)

The Invention Prize

Year: 2010
Patent No.: 3661454

Frame compliant mechanism for compressors

The 21st Century Encouragement of Invention Prize

Year: 2009
Patent No.: 3887007

Gradationally controlled voltage inverter technology

The Prize of the Chairman of the Japan Chamber of Commerce and Industry

Year: 2009
Patent No.: 3245087

Electric discharge machine control technology

The Prize of the Chairman of HATSUMEI KYOKAI (JIII)

Year: 2007
Patent No.: 3361765

Environmentally friendly technique of replacing air conditioners using existing piping

The 21st Century Invention Prize

Year: 2006
Patent No.: 3545257

Technology to efficiently generate high-concentration ozone (ozone generation technology)

The Invention Prize

Year: 2006
Patent No.: 3432468

Color conversion technology

The Invention Prize

Year: 2006
Patent No.: 3223723

Wire electric discharge machine processing technology

The Invention Prize

Year: 2005
Patent No.: 2643459

Power device drive and protection technology

The Imperial Invention Prize

Year: 2004
Patent No.: 3035358

Data encoding systems (information security technology)