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KOMMA YOSHIAKI

Overview
  • Total Patents
    24
About

KOMMA YOSHIAKI has a total of 24 patent applications. Its first patent ever was published in 2006. It filed its patents most often in United States. Its main competitors in its focus markets audio-visual technology, machines and optics are VIVASTAR MATERIALS AG, TABATA HIROSHI and PLASMON IDE INC.

Patent filings in countries

World map showing KOMMA YOSHIAKIs patent filings in countries
# Country Total Patents
#1 United States 24

Patent filings per year

Chart showing KOMMA YOSHIAKIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology
#2 Machines
#3 Optics

Top inventors

# Name Total Patents
#1 Komma Yoshiaki 24
#2 Anzai Joji 11
#3 Hino Yasumori 8
#4 Tsukuda Masahiko 7
#5 Tanaka Toshiyasu 7
#6 Yamasaki Fumitomo 6
#7 Wakabayashi Kanji 5
#8 Sano Kousei 5
#9 Matsuzaki Keiichi 3
#10 Wada Hidenori 3

Latest patents

Publication Filing date Title
US2012170431A1 Optical head device, optical information device and information processing device
US2012023514A1 Compound objective lens, optical head device, optical information device, and information processing device
US2011051585A1 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method
US2011075534A1 Optical recording medium, and optical information device
US2010118685A1 Optical recording medium, manufacturing method for optical recording medium, information recording/reproducing method and information recording/reproducing device