Hiroyoshi Takagi

HM Hitachi Maxell: 1 patents #29 of 93Top 35%

OC Olympus Optical Co.: 1 patents #52 of 261Top 20%

SC Sanyo Electric Co.: 1 patents #223 of 669Top 35%

Overall (2004): #208,025 of 270,089Top 80%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6687216	Cartridge in which disk is stored	Hiroshi Nakashima, Noriaki Kitani, Takao Enomoto, Hikaru Mizutani, Kenji Ohta +1 more	2004-02-03