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HITACHI TOBU SEMICONDUCTOR LTD

Overview
  • Total Patents
    95
About

HITACHI TOBU SEMICONDUCTOR LTD has a total of 95 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, United States and Republic of Korea. Its main competitors in its focus markets semiconductors, basic communication technologies and audio-visual technology are XEMOD INC, TAKAGI KAZUTAKA and IMADA TADAHIRO.

Patent filings in countries

World map showing HITACHI TOBU SEMICONDUCTOR LTDs patent filings in countries
# Country Total Patents
#1 Japan 67
#2 United States 14
#3 Republic of Korea 9
#4 Singapore 2
#5 Taiwan 2
#6 China 1

Patent filings per year

Chart showing HITACHI TOBU SEMICONDUCTOR LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Endo Tsuneo 8
#2 Adachi Tetsuaki 7
#3 Nunogawa Yasuhiro 6
#4 Morikawa Masatoshi 6
#5 Akamine Hitoshi 5
#6 Watanabe Kazuo 5
#7 Numanami Masahito 5
#8 Shimazu Katsuhiro 5
#9 Shibuya Tsuyoshi 4
#10 Abe Toru 4

Latest patents

Publication Filing date Title
JP2001280928A Method and device for recognizing shape
JP2000009452A Method and apparatus for inspecting surface roughness
JPH10239025A External appearance inspecting method and device
JPH1166311A Method and device for checking unevenness
JPH1039847A Display device
JPH07321171A Lead frame appearance inspecting apparatus
JPH07122793A Mos hall device
JPS6381988A Opto-electronic device
JPS6381992A Opto-electronic device
JPS6352422A Electronic device and its chip and its substrate
JPS6329547A Wiring structure
JPS62263667A Electronic device
JPS62263663A Electronic device
JPS62249807A Ic handler
JPS62249427A Temperature regulator and assembly apparatus equipped with this temperature regulator
JPS62249431A Manufacture of semiconductor device
JPS62219672A Photoelectron device
JPS62214635A Detecting device and detecting/processing device
JPS62206864A Semiconductor memory
JPS62198183A Semiconductor laser device