JS

Jun Sugiyama

AC Asahi Kasei Kogyo Co.: 1 patents #8 of 123Top 7%
Yamaha: 1 patents #26 of 106Top 25%
📍 Kawasaki, PA: #1 of 1 inventorsTop 100%
Overall (1989): #23,165 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4888387 Resin composition comprising a polyamide or polycarbonate Akihiro Wada, Rin-ichi Kakuta, Kenji Ohuchi, Shinji Hasegawa 1989-12-19
4843934 Rhythm tone source assigning apparatus for use in electronic musical instrument Akira Suzuki, Kosei Terada, Shigenori Oguri 1989-07-04