NS

Naomasa Shimotomai

SC San-Ai Oil Co.: 3 patents #1 of 19Top 6%
NC Nihon Parkerizing Co.: 2 patents #53 of 330Top 20%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
WI Wako Pure Chemical Industries: 1 patents #164 of 377Top 45%
📍 Kawaguchi, JP: #134 of 473 inventorsTop 30%
Overall (All Time): #1,295,323 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5368778 Cleaner for thermostatic water bath Eriko Miyazawa, Takahiro Ueyama 1994-11-29
5230811 Cleaner for thermostatic water bath Eriko Miyazawa, Takahiro Ueyama 1993-07-27
5201119 Method of manufacturing an aluminum heat exchanger Hiroyoshi Mizuno, Masayoshi Nishikawa, Noriaki Kishi, Hideaki Kaneko, Ryosuke Sako 1993-04-13
5070938 Aluminum heat exchanger and method of manufacturing same Hiroyoshi Mizuno, Masayoshi Nishikawa, Noriaki Kishi, Hideaki Kaneko, Ryosuke Sako 1991-12-10