YH

Yoshitaka Hayashi

Ricoh Company: 18 patents #1,197 of 9,818Top 15%
DE Denso: 5 patents #2,617 of 11,792Top 25%
Nsk: 4 patents #376 of 1,559Top 25%
NC Nippon Seiko Co.: 4 patents #28 of 315Top 9%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
KS Kabushiki Kaisha Strawberry: 2 patents #3 of 11Top 30%
IC Ishikawajima-Harima Heavy Industries Co.: 1 patents #251 of 611Top 45%
NK Nsk-Warner K.K.: 1 patents #110 of 206Top 55%
NC Nippon Paint Marine Coatings Co.: 1 patents #12 of 25Top 50%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
📍 Amuru, UG: #11 of 499 inventorsTop 3%
Overall (All Time): #82,971 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
10298165 Rotary electric machine system Takashi Suzuki 2019-05-21
9543880 Rotary machine control apparatus Kouichi Nakamura, Takashi Suzuki 2017-01-10
8227067 Optical recording medium, and sputtering target and method for producing the same Noboru Sasa, Toshishige Fujii, Masayuki Fujiwara, Toshihide Sasaki, Masaki Kato +2 more 2012-07-24
8163366 Write-once-read-many optical recording medium Toshishige Fujii, Noboru Sasa, Hiroshi Miura, Masayuki Fujiwara 2012-04-24
8147942 Worm optical recording medium Noboru Sasa, Masayuki Fujiwara, Toshishige Fujii, Toshihide Sasaki, Hiroyoshi Sekiguchi +4 more 2012-04-03
8139468 Optical recording medium and recording and reproducing method using the same Hiroshi Miura, Nobuaki Toyoshima, Suguru Sangu, Noriyuki Iwata 2012-03-20
8134326 Motor drive apparatus and method for electric power steering system 2012-03-13
8124212 Sputtering target and manufacturing method therefor, and recordable optical recording medium Noboru Sasa, Toshishige Fujii, Masayuki Fujiwara, Hiroshi Miura, Masaki Kato +2 more 2012-02-28
8124211 Optical recording medium, sputtering target, and method for manufacturing the same Noboru Sasa, Toshishige Fujii, Toshihide Sasaki, Hiroyoshi Sekiguchi, Masayuki Fujiwara 2012-02-28
7897535 Sputtering target and manufacturing method therefor, and recordable optical recording medium Noboru Sasa, Toshishige Fujii, Masayuki Fujiwara, Hiroshi Miura, Masaki Kato +2 more 2011-03-01
7636289 Optical-recording medium, method for producing the same, and method for recording and reproducing optical-recording Hiroshi Miura, Hisamitsu Kamezaki 2009-12-22
7488526 Sputtering target and manufacturing method therefor, and optical recording medium and manufacturing method therefor Noboru Sasa, Toshishige Fujii, Masayuki Fujiwara 2009-02-10
7413788 Write-once-read-many optical recording media and process for recording and reproducing information on the media Noboru Sasa, Hirotaka Komoda, Atsuyuki Watada, Kawori Tanaka, Toshishige Fujii +1 more 2008-08-19
7206996 Portal site providing system Ichiro Hashimoto, Yukihiro Matsubara, Kazuko Hayashi, Yasuko Yamauchi, Tetsunari Kawaguchi +2 more 2007-04-17
7189171 Rolling bearing for belt driven continuously variable transmission Hiromichi Takemura 2007-03-13
7102314 Brushless motor control apparatus having overheat protecting function 2006-09-05
7037386 Rolling bearing for continuously variable transmission Susumu Tanaka, Nobuaki Mitamura, Hiromichi Takemura, Yasuo Murakami 2006-05-02
6995538 Rotational direction detecting apparatus for a three-phase brushless DC motor 2006-02-07
6933032 Write-once-read-many optical recording media and process for recording and reproducing information on the media Noboru Sasa, Hirotaka Komoda, Atsuyuki Watada, Kawori Tanaka, Toshishige Fujii +1 more 2005-08-23
6920668 Hinge unit and electronic apparatus unit 2005-07-26
6913252 Damper device 2005-07-05
6849024 Starting clutch and method of controlling the same Hiroshi Fukushima, Takao Obara, Minao Umeda, Keeichi Minagi, Masao Shoji +8 more 2005-02-01
6503592 Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium Katsuyuki Yamada, Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama +2 more 2003-01-07
6395866 Polyester resin for antifouling paint and antifouling paint containing the resin Takashi Miyamoto, Takeshi Ito, Katsuya Shimeno, Miyako Shibazaki, Kenichi Akamine +1 more 2002-05-28
6280684 Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium Katsuyuki Yamada, Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama +2 more 2001-08-28