KT

Ken Takahashi

HI Hitachi: 44 patents #397 of 28,497Top 2%
HM Hitachi Maxell: 4 patents #247 of 1,211Top 25%
RT Renesas Technology: 2 patents #1,374 of 3,337Top 45%
HG HGST: 2 patents #144 of 483Top 30%
HC Hitachi Device Engineering Co.: 1 patents #292 of 514Top 60%
Overall (All Time): #20,244 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 26–50 of 85 patents

Patent #TitleCo-InventorsDate
6659005 Screen printing method and screen printing apparatus Naoichi Chikahisa, Yousuke Nagasawa, Takao Naito, Akihiko Wachi, Seishiro Yanachi +2 more 2003-12-09
6590741 Magnetic head having grooves to enhance contact with magnetic recording media and magnetic recording/reproducing apparatus Kenji Hasegawa, Hiroyuki Hasegawa, Eisuke Sawai, Hiromi Takeda 2003-07-08
6577472 Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture Hiroki Yamamoto, Takashi Namekawa, Takashi Naito, Yasutaka Suzuki, Akira Kato +4 more 2003-06-10
6534206 Information recording media and information recording drive Fumiyoshi Kirino, Nobuyuki Inaba, Hiroki Yamamoto, Takashi Naitou, Eiji Koyama +3 more 2003-03-18
6512655 Magnetic head with sealing glass composition Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Noriyuki Kumasaka, Kenkichi Inada 2003-01-28
6503858 Glass composition, structure, and apparatus using the same Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Noriyuki Kumasaka, Kenkichi Inada 2003-01-07
6472047 Magnetic recording disk Fumiyoshi Kirino, Nobuyuki Inaba, Hiroki Yamamoto, Takashi Naitou, Motoyasu Terao +3 more 2002-10-29
6440517 Glass material Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasutaka Suzuki, Motoyasu Terao +1 more 2002-08-27
6410133 Magnetic recording disk, method of the magnetic recording disk and magnetic recording apparatus Fumiyoshi Kirino, Nobuyuki Inaba, Takashi Naitou, Sumio Hosaka, Eiji Koyama +3 more 2002-06-25
6237490 Screen printing method and screen printing apparatus Naoichi Chikahisa, Yousuke Nagasawa, Takao Naito, Akihiko Wachi, Seishiro Yanachi +2 more 2001-05-29
6217669 Cleaning apparatus and cleaning method Eigo Sarashina, Masuo Masui, Takao Naito 2001-04-17
6198119 Ferroelectric element and method of producing the same Toshihide Nabatame, Takaaki Suzuki, Tomoji Oishi, Kunihiro Maeda 2001-03-06
6177169 Optical information recording medium Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasutaka Suzuki, Motoyasu Terao +1 more 2001-01-23
6150044 Magnetic head Hiroyuki Hasegawa, Akihiro Ashida, Eisuke Sawai, Hiromi Takeda 2000-11-21
6150027 Glass composition, structure, and apparatus using the same Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Noriyuki Kumasaka, Kenkichi Inada 2000-11-21
6136401 Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Masahiro Watanabe, Noriyuki Takeo 2000-10-24
6105495 Screen printing apparatus and screen printing method Syoji Sato, Hiroaki Onishi, Koji Mitsushiro, Takao Naito 2000-08-22
6092463 Printing method and printing device Hiroaki Onishi, Shoji Sato, Takao Naito 2000-07-25
6040029 Glass substrate of disk for recording information, a disk for recording information, and a disk device for recording information Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Masahiro Watanabe, Noriyuki Takeo 2000-03-21
6036994 Screen printing method and apparatus therefor Tetsuya Tanaka, Akihiko Wachi, Takao Naito 2000-03-14
5985401 Optical information recording medium Hiroki Yamamoto, Takashi Naito, Takashi Namekawa, Yasutaka Suzuki, Motoyasu Terao +1 more 1999-11-16
5976269 Printing mask cleaning apparatus and method Kurayasu Hamasaki, Toshiaki Yamauchi, Kazue Okanoue, Kazumi Ishimoto, Takao Naito +1 more 1999-11-02
5948466 Method for forming fiducial mark in resin stencil and stencil formed thereby Eigo Sarashina, Yousuke Nagasawa, Takao Naito 1999-09-07
5935912 Superconducting wire and method of manufacturing the same Yukio Takeda, Takeo Yamazaki, Tadahiko Miyoshi, Atsuko Soeta, Kunihiro Maeda +4 more 1999-08-10
5935717 Functional film having inorganic thin on surface of organic film article using the same and process for producing the same Tomoji Oishi, Takao Ishikawa, Daigorou Kamoto, Chikako Yoshioka 1999-08-10