YK

Yoshiharu Kawashima

OC Oji Paper Co.: 2 patents #101 of 423Top 25%
NC New Oji Paper Co: 1 patents #39 of 139Top 30%
NK Nihon Kaiheiki Kogyo Kabushiki Kaisha: 1 patents #7 of 13Top 55%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
Overall (All Time): #1,042,800 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6632488 Ink jet recording material Yoshitaka Okumura, Takaaki Kohro, Hiromasa Kondo 2003-10-14
5856001 Ink jet recording medium Yoshitaka Okumura, Akira Maeda, Satoshi Matsuura 1999-01-05
5759673 Ink jet recording sheet Hideo Ikezawa, Tomotsugu Miyoshi, Izumi Tashiro 1998-06-02
5709853 Method of treatment of atopic disease Shiro Iino 1998-01-20
4527023 Small-sized rotary switch Shigeo Ohashi 1985-07-02