YK

Yoshiaki Kumamoto

KA Kao: 2 patents #12 of 289Top 5%
📍 Tochigi, JP: #26 of 263 inventorsTop 10%
Overall (2004): #33,722 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6830658 Method for producing pulp molded article Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga +1 more 2004-12-14
6810553 Disposable brush Kazuya Otsuji, Masayuki Okawa, Yasuki Tsutsumi, Kaoru Hamada, Jun Yamamoto +3 more 2004-11-02