YK

Yasuo Kojima

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
KO Konica: 6 patents #429 of 1,958Top 25%
HG HGST: 4 patents #1,032 of 1,677Top 65%
KC Konishiroku Photo Industry Co.: 2 patents #360 of 894Top 45%
KS Komatsu Shisakusho: 2 patents #235 of 885Top 30%
TC Teikoku Tsushin Kogyo Co.: 2 patents #12 of 41Top 30%
Canon: 2 patents #12,681 of 19,416Top 70%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
HB Hgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
Overall (All Time): #145,938 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
10642175 Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member Jun Ohira, Hironori Owaki, Yukihiro Abe, Kazunari Ooyama, Takanori Ueno 2020-05-05
10338486 Electrophotographic photosensitive member and electrophotographic apparatus Yukihiro Abe, Jun Ohira, Kazunari Ooyama, Takanori Ueno, Hironori Owaki 2019-07-02
9129618 Hard disk drive stepped load beam Hiroyasu Tsuchida, Takuma Muraki 2015-09-08
7885039 Magnetic head supporting mechanism with regulating member which prevents over angulation of the slider support Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Hiroshi Nishida, Kouki Uefune 2011-02-08
7852595 Magnetic disk unit and manufacturing method thereof Hiroki Kitahori, Kyo Akagi, Takayuki Honda 2010-12-14
7450345 Magnetic head supporting mechanism with two openings proximate to pivot of load beam Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Hiroshi Nishida, Kouki Uefune 2008-11-11
7248439 Magnetic head supporting mechanism utilizing elongated portions of a load beam to define an opening in the load beam Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Hiroshi Nishida, Kouki Uefune 2007-07-24
7101603 Key top plate Tatsuya Okamura, Kimitane Kimura, Atsushi Hari, Shinji Mizuno 2006-09-05
6958183 Key top plate and a method for manufacturing the same Tatsuya Okamura, Kimitane Kimura, Atsushi Hari, Shinji Mizuno 2005-10-25
6954337 Magnetic-head supporting mechanism Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Hiroshi Nishida, Kouki Uefune 2005-10-11
6621663 Magnetic-head supporting mechanism Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Hiroshi Nishida, Kouki Uefune 2003-09-16
6552877 Magnetic-head supporting mechanism Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Hiroshi Nishida, Kouki Uefune 2003-04-22
6399915 Method and apparatus for determining quality of welding at weld between working material pieces Kiyokazu Mori 2002-06-04
6226153 Magnetic-head supporting mechanism Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Hiroshi Nishida, Kouki Uefune 2001-05-01
6180213 Heat sensitive planographic printing plate, its manufacturing method and image forming method employing the same Takaaki Kuroki, Saburou Hiraoka, Takeo Akiyama 2001-01-30
5973880 Negative pressure flying head slider having improved side rails construction Kiyoshi Hashimoto, Masaaki Matsumoto, Hidekazu Kohira, Shinji Yonemura 1999-10-26
5550002 Method of producing a printing plate Nobumasa Sasa, Takeo Akiyama 1996-08-27
5437952 Lithographic photosensitive printing plate comprising a photoconductor and a naphtho-quinone diazide sulfonic acid ester of a phenol resin Katsura Hirai, Kiyoshi Goto 1995-08-01
5430591 Negative pressure flying head slider having siderails with narrow width portion Yoshinori Takeuchi, Kenji Mori, Masaaki Matsumoto, Hiroshi Agari, Jyousei Shimizu +7 more 1995-07-04
5383073 Magnetic head supporting apparatus having a fulcrum point of load support offset from a slider center in an air upstream direction Tetsuo Masukawa, Masaaki Matsumoto, Yokuo Saitoh, Toshio Suzuki, Yukimori Umakoshi +1 more 1995-01-17
5380612 Process for manufacturing planographic printing plate Katsura Hirai, Kiyoshi Goto 1995-01-10
5238778 Method of forming printing plates by heat transfer Katsura Hirai 1993-08-24
5232817 Thermal transfer image receiving material and method for preparing therefrom a proof for printing Sota Kawakami 1993-08-03
4547456 Heat mode recording material and a recording method by the use thereof Fumio Shimada 1985-10-15
4542088 Photopolymerizable compositions and image-forming materials using said compositions Nobumasa Sasa 1985-09-17