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YAMAMOTO KEI

Overview
  • Total Patents
    12
About

YAMAMOTO KEI has a total of 12 patent applications. Its first patent ever was published in 1999. It filed its patents most often in United States and Japan. Its main competitors in its focus markets semiconductors, optics and machines are BEAM CORP E, BLATCHFORD JAMES WALTER and KOZAWA MIWA.

Patent filings in countries

World map showing YAMAMOTO KEIs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Japan 3

Patent filings per year

Chart showing YAMAMOTO KEIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Kei 12
#2 Yamamoto Takahiro 2
#3 Shibuya Akinori 2
#4 Tada Kazuhiro 2
#5 Yamamoto Junichi 2
#6 Iizuka Yusuke 1
#7 Goto Masaki 1
#8 Yamaguchi Shuhei 1
#9 Masaki Motoki 1
#10 Yin Xiaohong 1

Latest patents

Publication Filing date Title
US2015016064A1 Semiconductor device having a bulge portion and manufacturing method therefor
US2014367702A1 Semiconductor device and method of manufacturing the same
US2010033302A1 Imaging processing system and method and management apparatus
JP2003154052A Device for informing fraudulent act to slot game machine
JP2001112405A Method and apparatus for preventing bird damage
JP2000348269A Automatic detecting device for monitoring camera system