HA

Hiroyuki Arioka

Tdk: 41 patents #74 of 3,796Top 2%
📍 Saku, JP: #4 of 140 inventorsTop 3%
Overall (All Time): #74,025 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
4828899 Magnetic recording medium and recording/reproducing method thereof Masaharu Nishimatsu, Suguru Takayama 1989-05-09
4780366 Magnetic recording medium for image recording Masaharu Nishimatsu, Keiji Koga 1988-10-25
4778707 Magnetic recording medium and recording/reproducing method therefor Masaharu Nishimatsu, Suguru Takayama 1988-10-18
4758471 Magnetic recording medium Koji Kobayashi, Kiyoshi Noguchi 1988-07-19
4734326 Magnetic recording medium Masaharu Nishimatsu, Toshiaki Ide 1988-03-29
4701375 Magnetic recording medium Masaharu Nishimatsu, Suguru Takayama 1987-10-20
4693934 Magnetic recording medium for image recording Masaharu Nishimatsu, Hideki Ishizaki 1987-09-15
4678708 Magnetic recording medium Shigeru Shimada, Masaharu Nishimatsu, Yuichi Kubota 1987-07-07
4666754 Magnetic recording medium Hideki Ishizaki, Toshiaki Ide 1987-05-19
4639389 Magnetic recording medium Masaharu Nishimatsu, Toshiaki Ide 1987-01-27
4624892 Magnetic recording medium Hideki Ishizaki, Toshiaki Ide 1986-11-25
4618535 Magnetic recording medium Masaharu Nishimatsu, Toshiaki Ide, Yuichi Kubota 1986-10-21
4592942 Magnetic recording medium Masaharu Nishimatsu, Toshiaki Ide, Yuichi Kubota 1986-06-03
4591528 Magnetic recording medium Masaharu Nishimatsu, Toshiaki Ide, Yuichi Kubota, Yoshiaki Saito 1986-05-27
4587150 Magnetic recording medium Masaharu Nishimatsu, Toshiaki Ide, Yuichi Kubota 1986-05-06
4567083 Magnetic recording medium Masaharu Nishimatsu, Akio Watanabe 1986-01-28
4547419 Magnetic recording medium Masaharu Nishimatsu, Toshiaki Ide, Yuichi Kubota 1985-10-15