16 Utility Patents
#9,500 in Tokyo
#49,042 in Japan
#227,686 in the World
Forward Citations = 160
Company Filing History:



4. 3 out of 106
Mitsubishi Steel Mfg. Co., Ltd.
5. 2 out of 929
Sumitomo Metal Industries, Inc.
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#9,500 in Tokyo
#49,042 in Japan
#227,686 in the World
Company Filing History:



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