MD

Masaaki Doi

NI Nikon: 6 patents #659 of 2,493Top 30%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Tdk: 1 patents #2,493 of 3,796Top 70%
Overall (All Time): #657,015 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7719800 Magnetoresistive effect element and manufacturing method thereof, and magnetic head, magnetic reproducing apparatus, and magnetic memory using the same Susumu Hashimoto, Hiromi Fuke, Hitoshi Iwasaki, Kousaku Miyake, Masashi Sahashi 2010-05-18
7098992 Light source unit and wavelength stabilizing control method, exposure apparatus and exposure method, method of making exposure apparatus, and device manufacturing method and device Tomoko Ohtsuki, Soichi Owa, Niichi Atsumi 2006-08-29
6894826 Light source unit and light irradiation unit, and device manufacturing method 2005-05-17
5452382 Optical waveguide device and optical microscope using the same Takashi SHIONOYA, Jun Iwasaki, Hiroshi Ohki 1995-09-19
5432881 Optical waveguide with overlapping diffusion regions containing different diffusion materials 1995-07-11
5293291 Optical integrated device for magneto-optical reproducing head Hiroshi Ohki, Hideki Akasaka 1994-03-08
H1233 Optical integrated device for a reproducing head for magneto-optical Hiroshi Ohki 1993-09-07
5140654 Optical waveguide device for polarization rotation Hideki Akasaka, Hiroshi Ohki 1992-08-18