TK

Takahiro Kurokawa

HI Hitachi: 41 patents #472 of 28,497Top 2%
PA Panasonic: 18 patents #1,184 of 21,108Top 6%
HC Hitachi Consumer Electronics Co.: 15 patents #4 of 447Top 1%
HS Hitachi-Lg Data Storage: 9 patents #26 of 294Top 9%
Mazda Motor: 5 patents #800 of 4,755Top 20%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
HC Hitachi Media Electronics Co.: 2 patents #79 of 214Top 40%
TC Tokyo Roki Co.: 1 patents #32 of 106Top 35%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #19,720 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 1–25 of 86 patents

Patent #TitleCo-InventorsDate
10724845 Optical module for optical height measurement Daisuke Tomita, Hideo Suenaga, Yoshitaka Morimoto 2020-07-28
10220340 Laminated nonwoven fabric and air purifier Koji Motomura, Takahiko Murata, Hiroto Sumida, Takatoshi Mitsushima 2019-03-05
10174441 Laminated nonwoven fabric and air purifier Taichi Nakamura, Takayoshi Yamaguchi, Hiroto Sumida, Takatoshi Mitsushima 2019-01-08
10173158 Laminated nonwoven fabric, air purifier, and manufacturing method of laminated nonwoven fabric Koji Motomura, Hiroto Sumida, Taichi Nakamura, Takayoshi Yamaguchi, Takatoshi Mitsushima 2019-01-08
9778077 Optical fiber sensor device Yoshitaka Morimoto, Koichi Watanabe 2017-10-03
9611573 Nonwoven fabric and test tool Yuki YOSHIOKA, Takayoshi Yamaguchi 2017-04-04
9291620 In vitro diagnostic tool, membrane for in vitro diagnostic tool, and production methods of the tool and the membrane Yuki YOSHIOKA 2016-03-22
9059453 Battery, battery separator and method for producing battery separator Hiroto Sumida, Takayoshi Yamaguchi, Takatoshi Mitsushima 2015-06-16
8958278 Optical information reproduction apparatus using homodyne phase diversity detection with improved SNR Atsushi Kikugawa 2015-02-17
8834775 Method of manufacturing nanofibers Kazunori Ishikawa, Hiroto Sumida, Masanobu Miyata, Takatoshi Mitsushima 2014-09-16
8773963 Highly adaptive recording method and optical recording apparatus Shinji Fujita, Takeshi Maeda, Manabu Shiozawa 2014-07-08
8743671 Method for adjusting recording condition, optical disc device, and information recording method Hiroyuki Minemura 2014-06-03
8696953 Support structure, nanofiber manufacturing apparatus using the support structure, and nanofiber manufacturing method using the support structure Hiroto Sumida, Hiroyuki Tsuji, Kazunori Ishikawa 2014-04-15
8696973 Nanofiber manufacturing apparatus and method of manufacturing nanofibers Kazunori Ishikawa, Hiroto Sumida 2014-04-15
8576677 Optical signal detecting circuit and information reproducing device using the same Hideharu Mikami 2013-11-05
8531932 Adjusting method for recording condition and optical disc device Yusuke Nakamura, Koichiro Nishimura, Hiroyuki Minemura 2013-09-10
8524140 Process of making nanofibers Hiroto Sumida, Kazunori Ishikawa, Masahide Yokoyama 2013-09-03
8514683 Highly adaptive recording method and optical recording apparatus Shinji Fujita, Takeshi Maeda, Manabu Shiozawa 2013-08-20
8483028 Method for adjusting recording condition, optical disc device, and information recording method Hiroyuki Minemura 2013-07-09
8475692 Nanofiber manufacturing apparatus and nanofiber manufacturing method Hiroto Sumida, Kazunori Ishikawa, Yoshiaki Tominaga, Mikio Takezawa, Mitsuhiro Takahashi +1 more 2013-07-02
8456974 Recording adjusting method, information recording and reproducing device, and information recording medium Soichiro Eto 2013-06-04
8425810 Nanofiber production device and nanofiber production method Kazunori Ishikawa, Hiroto Sumida, Masahide Yokoyama 2013-04-23
8399066 Nanofiber manufacturing system and nanofiber manufacturing method Hiroto Sumida, Hiroyuki Tsuji, Kazunori Ishikawa 2013-03-19
8383539 Fiber manufacturing method, fiber manufacturing apparatus and proton-exchange membrane fuel cell Hiroto Sumida, Kazunori Ishikawa, Yoshiaki Tominaga, Mikio Takezawa, Mitsuhiro Takahashi +1 more 2013-02-26
8358569 Highly adaptive recording method and optical recording apparatus Shinji Fujita, Takeshi Maeda, Manabu Shiozawa 2013-01-22