HI

Haruhiko Izumi

Fujitsu Limited: 31 patents #717 of 24,456Top 3%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Overall (All Time): #103,673 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5663936 Magneto-optic recording medium suited for mark edge recording system and having magnetic layer made of composition modulated material Tsutomu Tanaka, Tomonori Ikeya, Keiji Shono 1997-09-02
5661703 Optical recording medium having a non-volatile identification code and method for encoding data using same Mineo Moribe, Masakazu Taguchi, Iwao Tsugawa 1997-08-26
5610895 Optical head having light blocking means positioned in front of a detector for super-resolution detection Kyoko Miyabe 1997-03-11
5598392 Data reproduction system synchronized by recording data Masakazu Taguchi 1997-01-28
5428594 Magneto-optic recording method and apparatus utilizing a two-state modulated light beam Masaharu Moritsugu, Masakazu Taguchi 1995-06-27
5390156 Magneto-optic overwrite disk recording system for erasing and overwriting in a single pass Masaharu Moritsugu, Masakazu Taguchi 1995-02-14
5359586 Read out apparatus for reading out information from magneto-optic disk Masaharu Moritsugu, Masakazu Taguchi 1994-10-25
5347505 Optical medium recording method and apparatus employing pulse width delay and/or advancement Masaharu Moritsugu, Masakazu Taguchi 1994-09-13
5235590 Read out apparatus for reading out information from magneto-optic disk Masakazu Taguchi, Akio Futamata, Masaharu Moritsugu 1993-08-10