MN

Mitsuyoshi Nagano

NC Nippon Tungsten Co.: 2 patents #5 of 10Top 50%
SC Sumitomo Special Metals Co.: 2 patents #10 of 29Top 35%
Overall (1989): #19,809 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4814915 Magnetic head slider and material therefor Toshiaki Wada, Mitsuhiko Furukawa, Masaharu Shiroyama, Michito Miyahara, Shigeki Mohri 1989-03-21
4796127 Recording head slider Toshiaki Wada, Mitsuhiko Furukawa, Masaharu Shiroyama, Michito Miyahara, Shigeki Mohri 1989-01-03