11 Utility Patents
#14,598 in Tokyo
#77,051 in Japan
#363,721 in the World
Forward Citations = 255
Company Filing History:
Kankyo Engineering Co., Ltd.

Other
4. 2 out of 2
Japan Bioindustry Association
5. 1 out of 1
Nippon Steel & Sumikin Eco-tech Corporation
where one patent can have more than one assignee
Get your Inventor Badge Today