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HANDOTAI ENERGY KENKYUSHO

Overview
  • Total Patents
    486
About

HANDOTAI ENERGY KENKYUSHO has a total of 486 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets semiconductors, environmental technology and surface technology and coating are FIRST SOLAR MALAYSIA SDN BHD, KISCO CORP and TSMC SOLAR LTD.

Patent filings in countries

World map showing HANDOTAI ENERGY KENKYUSHOs patent filings in countries
# Country Total Patents
#1 Japan 482
#2 Republic of Korea 4

Patent filings per year

Chart showing HANDOTAI ENERGY KENKYUSHOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamazaki Shiyunpei 405
#2 Yamazaki Shunpei 71
#3 Watabe Satsuki 21
#4 Itou Kenji 19
#5 Tashiro Mamoru 16
#6 Miyazaki Minoru 9
#7 Hamaya Toshiji 9
#8 Koyanagi Kaoru 7
#9 Ito Kenji 7
#10 Mase Akira 5

Latest patents

Publication Filing date Title
JPH04225218A Manufacture of semiconductor film
KR900009084B1 Low pressure mercurial lamps
JPS6121472A Valve for vacuum and high pressure application
JPS6118125A Thin film forming apparatus
JPS6118124A Thin film forming apparatus
JPS6118123A Thin film forming apparatus
JPS612319A Chemical vapor deposition device
JPS60262962A Manufacture of electrically conductive tin oxide film
JPS60260393A Optical processing of light-transmitting conductive film
JPS60260392A Optical processing of light-transmitting conductive film
JPS60261142A Manufacture of semiconductor device
JPS60253281A Manufacture of semiconductor device
JPS60253266A Semiconductor device
JPS60245217A Thin film formation equipment
JPS60245173A Insulated gate type semiconductor device
JPS60245172A Insulated gate type semiconductor device
JPS60245174A Manufacture of insulated gate type semiconductor device
JPS60240169A Manufacture of photoelectric converter
JPS60240167A Photoelectric converter
JPS60240168A Manufacture of photoelectric converter