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ALPHANA TECHNOLOGY CO LTD

Overview
  • Total Patents
    121
About

ALPHANA TECHNOLOGY CO LTD has a total of 121 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets audio-visual technology, mechanical elements and electrical machinery and energy are SAMSUNG ELECTRO MECHANICS JAPAN ADVANCED TECHNOLOGY CO LTD, YOKOO YOSHINARI and MINEBEA KK.

Patent filings in countries

World map showing ALPHANA TECHNOLOGY CO LTDs patent filings in countries

Patent filings per year

Chart showing ALPHANA TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kodama Mitsuo 21
#2 Iwai Hiroshi 17
#3 Tashiro Tomoyuki 15
#4 Yamada Takuji 10
#5 Omura Yuji 8
#6 Sugiki Ryusuke 8
#7 Nagai Kazuyoshi 6
#8 Watanabe Takanori 6
#9 Nishihara Kenji 6
#10 Yamazaki Hiroki 6

Latest patents

Publication Filing date Title
JP2013036617A Outer rotor type spindle motor
CN102756640A Wheel driving apparatus
JP2012112534A Method of manufacturing fluid dynamic pressure bearing, fluid dynamic pressure bearing, motor, and disc driver
JP2013057393A Method of manufacturing bearing device component, and bearing device component
JP2013090406A Electric vehicle drive motor
JP2013080542A Disk driving device
JP2013078249A Rotary apparatus
JP2013077341A Method for manufacturing rotary apparatus and rotary apparatus manufactured by the manufacturing method
JP2013055791A Rotary apparatus and method of manufacturing rotary apparatus
JP2013030242A Rotary apparatus
JP2013030237A Rotation device and manufacturing method thereof
JP2013030235A Rotating apparatus and method for manufacturing rotating apparatus
JP2013004126A Method for manufacturing disk drive and disk drive manufactured by the manufacturing method
JP2012165627A Rotary apparatus
JP2012184800A Rotational device and method for manufacturing the same
JP2012175838A Rotary apparatus
JP2012172781A Rotary equipment
JP2012165519A Manufacturing method of rotary apparatus
WO2011099370A1 Subassembly of disk drive device
JP2012157164A Rotary apparatus and manufacturing method of the same