Jun Satoh — 54 Patents at Hitachi

Jun Satoh — 54 Patents

Hitachi: 14 patents #2,889 of 28,497Top 15%

Ricoh Company: 13 patents #1,714 of 9,818Top 20%

RTRenesas Technology: 9 patents #297 of 3,337Top 9%

Panasonic: 7 patents #3,841 of 21,108Top 20%

Tdk: 6 patents #953 of 3,796Top 30%

SCSumitomo Chemical: 2 patents #1,792 of 4,033Top 45%

RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%

TLTokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%

PCPrimearth Ev Energy Co.: 1 patents #21 of 107Top 20%

Toyota: 1 patents #15,335 of 26,838Top 60%

Overall (All Time): #47,189 of 4,157,543Top 2%

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #	Title	Co-Inventors	Date
5182693	Magnetic disk	Keiji Koga, Kenji Yokoyama, Akinori Nisizawa, Yasumichi Tokuoka	1993-01-26
5160761	Method for making a magnetic disk	Keiji Koga, Kenji Yokoyama, Akinori Nisizawa, Yasumichi Tokuoka	1992-11-03
5155821	Command performing order change-over system in data processor	Takashi Sone, Hiroshi Takeda, Shigeru Matsuo	1992-10-13
5140486	Magnetic recording and reproduction	Kenji Yokoyama, Akinori Nisizawa, Keiji Koga, Yasumichi Tokuoka	1992-08-18