4 Utility and 32 Design Patents
#113 in Tokyo
#347 in Japan
#4,449 in the World
rank by design patentsForward Citations = 314
Company Filing History:

Delta Kogyo Co., Ltd.
4. 2 out of 50
Mitsubishi Heavy Industries Machine Tool Co., Ltd.
5. 2 out of 22
Mitsubishi Nichiyu Forklift Co., Ltd.
where one patent can have more than one assignee
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