TH

Takahiro Hirai

KT Kabushiki Kaisha Toshiba: 40 patents #501 of 21,451Top 3%
HC Hitachi Koki Co.: 5 patents #222 of 888Top 25%
SO Sony: 3 patents #10,744 of 25,231Top 45%
KC Koki Holdings Co.: 3 patents #64 of 215Top 30%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
Toshiba Memory: 3 patents #621 of 1,971Top 35%
NC Nidek Co.: 1 patents #224 of 365Top 65%
OU Osaka University: 1 patents #681 of 1,984Top 35%
Kioxia: 1 patents #1,054 of 1,813Top 60%
TI Takasago International: 1 patents #239 of 465Top 55%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
📍 Ibaraki, JP: #53 of 6,779 inventorsTop 1%
Overall (All Time): #36,791 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 26–50 of 62 patents

Patent #TitleCo-InventorsDate
7961586 Information recording/reproducing device Kohichi Kubo, Shinya Aoki, Akihiro Koga, Junichi Akiyama, Shinji Takakura +1 more 2011-06-14
7936587 Data read/write device Koichi Kubo, Shinya Aoki, Robin Carter, Chikayoshi Kamata 2011-05-03
7924678 Recording/reproducing head, recording/reproducing apparatus, recording method, and reproducing method Koichi Kubo, Hiroshi Watanabe, Katsuyuki Naito 2011-04-12
7852739 Positioning system mounted on probe memory device and positioning method thereof Akihiro Koga, Shinji Takakura, Hiroaki Nakamura, Kohichi Kubo, Junichi Akiyama 2010-12-14
7838877 Information recording and reproducing apparatus Shinya Aoki, Kohichi Kubo, Takayuki Tsukamoto, Chikayoshi Kamata, Toshiro Hiraoka 2010-11-23
7819203 Striking tool Shinichiro Sato, Tsukasa Suzuura 2010-10-26
D623197 Engine Satoshi Hotta, Tomoyuki Kawahara, Fumikazu Hirasawa, Takamoto Horiuchi, Masanori Okada +1 more 2010-09-07
7733684 Data read/write device Koichi Kubo, Shinya Aoki, Robin Carter, Chikayoshi Kamata 2010-06-08
7733145 Nonvolatile latch circuit and nonvolatile flip-flop circuit Keiko Abe, Shiho Nakamura, Hirofumi Morise, Mototsugu Hamada 2010-06-08
7677838 Motion reduction apparatus and floating body therewith Masami Matsuura, Makoto Nishigaki, Youichi Yamaguchi 2010-03-16
7606096 Semiconductor integrated circuit device Mototsugu Hamada, Shiho Nakamura, Hirofumi Morise, Keiko Abe 2009-10-20
7558103 Magnetic switching element and signal processing device using the same Shiho Nakamura, Yuichi Motoi, Shigeru Haneda, Hirofumi Morise 2009-07-07
7532503 Magnetic recording element, magnetic recording apparatus and recording method of information Hirofumi Morise, Shiho Nakamura, Shigeru Haneda 2009-05-12
D591916 Engine blower Shingo Kosugi, Masato Sakai, Shinichi Kakefuda, Tomoyuki Kawahara, Yoshikazu Yokoyama 2009-05-05
7273675 Aqueus electrolytic solution primary battery Hidesato Saruwatari, Haruchika Ishii, Norio Takami 2007-09-25
7266034 Data recording device Katsuyuki Naito, Koichi Kubo, Yuichi Motoi, Hiroshi Watanabe 2007-09-04
7244528 Aluminum negative electrode battery Hidesato Saruwatari, Haruchika Ishii, Norio Takami, Mitsuo Kasori 2007-07-17
6767166 Motion reduced floating structure Masami Matsuura, Makoto Ohta, Shinkichi Tanigaki, Shuji Mizokami 2004-07-27
6652193 Swaying reduction apparatus and floating body therewith Masami Matsuura, Makoto Nishigaki, Youichi Yamaguchi 2003-11-25
6622158 Character information copying system, recording apparatus, and recording method Tomohiro Koyata, Shinji Isozaki, Hiroshi Mizuno 2003-09-16
6468440 Magnet powder and method for producing the same, and bonded magnet using the same Shinya Sakurada, Tomohisa Arai, Masami Okamura, Keisuke Hashimoto 2002-10-22
6416593 Magnetic material and manufacturing method thereof, and bonded magnet using the same Shinya Sakurada, Tomohisa Arai, Masami Okamura, Keisuke Hashimoto 2002-07-09
6406559 Magnetic material and manufacturing method thereof, and bonded magnet using the same Shinya Sakurada, Keisuke Hashimoto, Tomohisa Arai 2002-06-18
6313812 Single remote control system for plurality of audio and visual equipment Shuichi Nagano, Akira Katsuyama, Hiroshi Koyama, Takashi Ishizuka, Keiichi Asakura +3 more 2001-11-06
6290782 Magnetic material and manufacturing method thereof, and bonded magnet using the same Shinya Sakurada, Tomohisa Arai, Masami Okamura, Keisuke Hashimoto 2001-09-18