KY

Keitaro Yamashita

HI Hitachi: 4 patents #68 of 2,942Top 3%
HK Hitachi Metals Kiko: 1 patents #1 of 6Top 20%
📍 Xihu, CA: #1 of 1 inventorsTop 100%
Overall (1997): #7,223 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5668519 Magnet roll and method of producing same 1997-09-16
5659861 Method of developing electrostatic latent image Masumi Asanae, Masahisa Ochiai, Toshihiro Noshiro 1997-08-19
5649362 Permanent magnet member and method of producing same Mikio Yamamoto, Katsunobu Kiriyama 1997-07-22
5608502 Method for treating magnet roll by blasting with nonmagnetic spherical particles Takeshi Satoh 1997-03-04