HO

Haruo Ogiwara

NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
NC Nissei Plastic Industrial Co.: 1 patents #121 of 189Top 65%
Overall (All Time): #1,717,815 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12325165 Injection screw for rigid vinyl chloride — 2025-06-10
4507721 DC-DC Converter for remote power feeding Seiichi Yamano 1985-03-26