TY

Takehiko Yorozu

HM Hitachi Maxell: 8 patents #102 of 1,211Top 9%
HI Hitachi: 7 patents #5,859 of 28,497Top 25%
Overall (All Time): #663,459 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6529466 Information recording apparatus Hideki Saga, Hirofumi Sukeda 2003-03-04
6512726 Information recording apparatus Hideki Saga, Hirofumi Sukeda 2003-01-28
6430132 Information recording apparatus Hideki Saga, Hirofumi Sukeda 2002-08-06
6404716 Information recording apparatus Hideki Saga, Hirofumi Sukeda 2002-06-11
6383595 Information recording medium Akemi Hirotsune, Motoyasu Terao, Makoto Miyamoto, Yasushi Miyauchi, Tetsuya Nishida +5 more 2002-05-07
6188658 Information recording apparatus Hideki Saga, Hirofumi Sukeda 2001-02-13
6104685 Information recording apparatus Hideki Saga, Hirofumi Sukeda 2000-08-15
5598399 Magneto-optical recording medium having multiple magnetic layers for magneto-optical recording medium Noriyuki Ogihara, Yoshinori Shirai 1997-01-28