NK

Noriyuki Kumasaka

HI Hitachi: 51 patents #272 of 28,497Top 1%
NC Nihon Micro Coating Co.: 8 patents #3 of 68Top 5%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
📍 Wenatchee, WA: #2 of 245 inventorsTop 1%
🗺 Washington: #809 of 76,902 inventorsTop 2%
Overall (All Time): #40,720 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
4610935 Magnetic film structure Hideo Fujiwara, Noritoshi Saito, Shigekazu Otomo, Takeo Yamashita, Mitsuhiro Kudo 1986-09-09
4600488 Control method of magnetic anisotropy and device utilizing the control method Ryo Imura, Yutaka Sugita 1986-07-15
4571652 Magnetic recording and reproducing apparatus Hideo Fujiwara, Shigekazu Otomo, Kiminari Shinagawa, Takeo Yamashita, Mitsuhiro Kudo +1 more 1986-02-18
4559572 Magnetic head and method of fabricating same Hideo Fujiwara, Shigekazu Otomo, Takeo Yamashita, Shinji Takayama, Noritoshi Saito +2 more 1985-12-17
4539616 Thin film magnetic head and fabricating method thereof Isamu Yuito, Kazuo Shiiki, Atsushi Saiki, Yoshio Homma, Yoshihiro Shiroishi +1 more 1985-09-03
4450494 Magnetic head Hideo Fujiwara, Mitsuhiro Kudo, Teizo Tamura, Nobuyuki Sugishita, Yoshihiro Shiroishi +2 more 1984-05-22
4439794 Magnetic head Yoshihiro Shiroishi, Hideo Fujiwara, Takeshi Kimura, Nobuo Kobayashi, Takeo Yamashita +4 more 1984-03-27
4411716 Amorphous alloys for magnetic head core and video magnetic head using same Kazuo Shiiki, Shigekazu Otomo, Mitsuhiro Kudo, Takeshi Kimura, Hideo Fujiwara 1983-10-25
4316228 Magnetic head Hideo Fujiwara, Mitsuhiro Kudo, Teizou Tamura, Nobuyuki Sugishita, Yoshihiro Shiroishi +2 more 1982-02-16