KH

Kiyonori Hayakawa

SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #1,303,471 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4858048 Complex magnetic transducer head of single magnetic pole type for perpendicular mode recording Akio Mishima 1989-08-15
4747888 Amorphous soft magnetic thin film Hiroshi Takino, Kazuko Kawabata, Makoto Tsuruoka 1988-05-31
4635153 Magnetic transducer head Toshiki Shimamura 1987-01-06
4615748 Amorphous soft magnetic thin film Hiroshi Takino, Kazuko Kawabata, Makoto Tsuruoka 1986-10-07