MN

Masayasu Nonogaki

Ricoh Company: 27 patents #743 of 9,818Top 8%
GC Goo Chemical Co.: 1 patents #20 of 39Top 55%
TL Teijin Limited: 1 patents #850 of 1,631Top 55%
TC Tohoku Ricoh Co.: 1 patents #101 of 204Top 50%
Overall (All Time): #145,369 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5188881 Thermosensitive stencil paper Shoichi Sugiyama, Fumiaki Arai, Yuji Natori, Hideyuki Yamaguchi, Hitoshi Ueda +2 more 1993-02-23
5091257 Thermosensitive stencil paper Fumiaki Arai, Yuji Natori, Hideyuki Yamaguchi 1992-02-25