71 Utility Patents
#843 in Tokyo
#3,587 in Japan
#19,335 in the World
Forward Citations = 1,030
Company Filing History:





Sumco Corporation
4. 8 out of 248
Toshiba Matsushita Display Technology Co., Ltd.
5. 2 out of 90
Sumitomo Mitsubishi Silicon Corporation
where one patent can have more than one assignee
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