36 Utility Patents
#1,101 in Yokohama
#14,522 in Japan
#68,463 in the World
Forward Citations = 348
Company Filing History:

Toho Gas Co., Ltd.
Toa Grout Kogyo Kabushiki Kaishi
4. 1 out of 1
Kabushiki Kaisha Iseki
5. 1 out of 3
Penta-ocean Construction Co., Ltd.
where one patent can have more than one assignee
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