13 Utility Patents
#292 in Fujisawa
#63,482 in Japan
#297,256 in the World
Forward Citations = 354
Company Filing History:

Tokyo Gas Kabushiki Kaisha

4. 5 out of 23
Ashimori Kogyo Kabushiki Kaisha
5. 1 out of 1
Ashimori Tokyo Kabushiki Kaisha
where one patent can have more than one assignee
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