TN

Tetsuya Nagata

HI Hitachi: 1 patents #814 of 2,935Top 30%
SK Seiko Seiki Kabushiki Kaisha: 1 patents #4 of 14Top 30%
Overall (1989): #14,604 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4888648 Electronic album Ryozo Takeuchi, Yasuaki Suzuki, Eturo Hirose 1989-12-19
4858391 Sizing apparatus for an internal grinder Hideki Ohmori 1989-08-22