MN

Masahiko Nagai

Brother Kogyo: 17 patents #523 of 2,767Top 20%
SC Shionogi & Co.: 10 patents #79 of 1,054Top 8%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Computer Engineering Co.: 2 patents #9 of 170Top 6%
SC Sanyo Denki Co.: 2 patents #92 of 221Top 45%
LP Lenovo (Singapore) Pte.: 2 patents #509 of 1,301Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
JA Japan Atomic Energy Agency: 1 patents #64 of 251Top 30%
TC Tombow Pencil Co.: 1 patents #17 of 53Top 35%
YK Yoshiritsu Kabushiki Kaisha: 1 patents #3 of 7Top 45%
📍 Tokyo, NC: #4 of 19 inventorsTop 25%
Overall (All Time): #57,383 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDate
12371799 Acidic treatment liquid processing apparatus, acidic treatment liquid processing method, surface treatment system, and surface treatment method Koji Imasaka, Hiroaki MIKAWA, Kohei KAWASAKI, Mitsuhiro ISHIGAKI, Hidehiko Tajima +4 more 2025-07-29
12352513 Heat exchanger Nobuhide Hara, Shimpei Okayasu, Satoshi Hiraoka, Kenji Kirihara, Kensuke Nishiura +1 more 2025-07-08
D1062906 Assembling toy block Hiroshi Kichijo, Tomoaki Shimagami, Maiko Shima, Gakuho Komatsu 2025-02-18
11635260 Heat exchanger and replacement method of heat exchange core Keisuke Yoshida, Takeshi Kaneko, Koichi Tanimoto, Hiroyuki Nakaharai, Yoichi Uefuji +5 more 2023-04-25
9927802 Cutting data generator, cutting apparatus and non-transitory computer-readable medium 2018-03-27
9827687 Cutting apparatus and cutting control program therefor Yasuhiko Kawaguchi, Yoshinori Nakamura, Tomoyasu Niizeki, Katsuhisa Hasegawa 2017-11-28
9233480 Cutting apparatus, holding member for holding object to be cut and storage medium storing cutting control program Yasuhiko Kawaguchi, Yoshinori Nakamura, Tomoyasu Niizeki, Katsuhisa Hasegawa 2016-01-12
9193082 Cutting plotter and non-transitory computer-readable storage medium Kei Kawase, Junnosuke Matsuda, Tomoyasu Niizeki, Noriharu Tashiro 2015-11-24
9156176 Cutting apparatus and computer readable storage medium Yasuhiko Kawaguchi, Yoshinori Nakamura, Tomoyasu Niizeki 2015-10-13
9067330 Cutting apparatus Yasuhiko Kawaguchi, Tomoyasu Niizeki, Yoshinori Nakamura 2015-06-30
9019569 Image reading apparatus having multiple types of holding units and cutting apparatus Masashi Tokura 2015-04-28
8988738 Cutting apparatus with image reading unit and reading-use holding unit having reference portion for use in shading correction Masashi Tokura 2015-03-24
8855802 Cutting apparatus, cutting data processing device and cutting control program therefor Yasuhiko Kawaguchi, Tomoyasu Niizeki, Yoshinori Nakamura, Katsuhisa Hasegawa 2014-10-07
8810871 Image reading apparatus and cleaning sheet Noriharu Tashiro, Tomoyasu Niizeki, Kei Kawase, Junnosuke Matsuda 2014-08-19
8752491 Sewing machine Masaru Jimbo, Eiichi Hamajima, Toru Imaeda, Hiroshi Yamasaki, Daisuke Ueda +1 more 2014-06-17
8733263 Punch data generating device and computer readable medium storing punch data generating program Yasuhiko Kawaguchi, Tomoyasu Niizeki, Noboru Mizuno, Masashi Tokura, Shinichi Nishida 2014-05-27
8522703 Multi-needle embroidery sewing machine Yasuhiko Kawaguchi, Tomoyasu Niizeki, Noboru Mizuno, Masashi Tokura, Shinichi Nishida 2013-09-03
8428764 Multi-needle sewing machine Atsuya Hayakawa 2013-04-23
8246853 Liquid alkali metal with dispersed nanoparticles and method of manufacturing the same Kuniaki Ara, Junichi Saito, Hiroyuki Sato, Nobuki Oka, Koichi Fukunaga 2012-08-21
8079319 Sewing machine and computer readable medium Yasuhiko Kawaguchi, Toshihiro Hanai, Tomoyasu Niizeki, Masashi Tokura, Shinichi Nishida +1 more 2011-12-20
7971543 Sewing machine and computer-readable recording medium storing sewing machine operation program Tsuneo Okuyama, Masashi Tokura 2011-07-05
7878133 Sewing machine and computer-readable recording medium storing sewing machine operation program Masashi Tokura, Motoshi Kishi, Tomohiko Mori, Takafumi Naka, Tsuneo Okuyama 2011-02-01
7522407 System and method for facilitating engaging computer with dock Matthew B. Griffith, Michael Scott Mettler, Scott D. Ruppert 2009-04-21
7425810 Disk drive management Jeffrey R. Hobbet, Daryl Cromer, Donald R. Frame, Tin-Lup Wong 2008-09-16
7267710 Method of and apparatus for regenerating adsorbent Kiyoshi Tatsuhara, Akinori Yasutake, Takashi Kurisaki, Norihisa Kobayashi, Tomoaki Sugiyama 2007-09-11