8 Utility Patents
#150 in Tsuchiura
#107,031 in Japan
#518,164 in the World
Forward Citations = 25
Company Filing History:

Hitachi Industrial Products, Ltd.
Nippon Pillar Packing Co., Ltd.
4. 1 out of 136
Hitachi Plant Technologies, Ltd.
5. 1 out of 1
Hitchi Industries Co., Ltd.
where one patent can have more than one assignee
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