HI

Hisao Ishikawa

OC Oji Paper Co.: 3 patents #57 of 423Top 15%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Tochigi, JP: #429 of 2,789 inventorsTop 20%
Overall (All Time): #540,313 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12392015 Printed wiring board, printed circuit board, and electronic component Masao Kayaba, Akira Ogihara 2025-08-19
11802322 Method for manufacturing solder product, solder, soldered component, printed wiring board, printed circuit board, wire, soldered product, flexible printed board, electronic component, method for manufacturing tin article, method for manufacturing tin intermediate product, tin intermediate product, and conductive member Masao Kayaba, Akira Ogihara 2023-10-31
8138576 Production method and production apparatus of tin or solder alloy for electronic components, and solder alloy Masanori Yokoyama 2012-03-20
8011562 Soldering equipment and soldering method for electronic components Masanori Yokoyama 2011-09-06
6133170 Low density body Hiroshi Suenaga, Yukihiro Yoshimura 2000-10-17
PP8675 White dogwood Tsukuba-No-Mine Nobuo Yamashita, Toshihiro Hagiwara 1994-04-05
PP8676 "Pink dogwood ""Benifuji""" Nobuo Yamashita, Toshihiro Hagiwara 1994-04-05
5269470 Method of producing finely divided fibrous cellulose particles Seiichi Ide 1993-12-14
4225381 Method for removing odor from fluid Yukio Kita, Kouki Horikoshi 1980-09-30