HS

Hideo Segawa

NL Nippon Mining Company Limited: 1 patents #2 of 28Top 8%
Overall (1989): #104,217 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4816748 Electronic thermohygrometer with square-wave pulse signal generator Isao TAZAWA, Norihiro Kiuchi, Chikara Tominaga, Kenji Murakami 1989-03-28