AK

Akira Koyama

AC Alps Electric Co.: 5 patents #368 of 2,177Top 20%
JE Jx Nippon Oil & Energy: 5 patents #48 of 416Top 15%
Kyocera: 5 patents #593 of 3,732Top 20%
JN Juniper Networks: 4 patents #799 of 2,602Top 35%
JT Jtekt: 3 patents #557 of 1,969Top 30%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
NI Nichicon: 1 patents #25 of 79Top 35%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #129,975 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
11581580 Electrolyte for lithium ion secondary battery, lithium ion secondary battery, and module Hiroto Asano, Shimpei KONDO, Shigeaki Yamazaki, Tomoya Hidaka 2023-02-14
9786953 Non-aqueous electrolyte secondary battery and assembly thereof Takeshi Abe, Toshiyuki Kawai 2017-10-10
9505986 Fuel oil base and aviation fuel composition containing same Yasutoshi Iguchi, Hideki Ono 2016-11-29
9464250 Process for producing aviation fuel base oil Tatsuo Hamamatsu, Yasutoshi Iguchi, Hideshi Iki 2016-10-11
9447333 Aviation fuel base oil and aviation fuel composition Tatsuo Hamamatsu, Yasutoshi Iguchi, Hideshi Iki 2016-09-20
9377361 Human body detecting system Toshihisa Nabata, Takanori Hashizume, Akinori Kanai 2016-06-28
9283552 Method for producing aviation fuel oil base and aviation fuel oil composition Kazuaki Hayasaka, Hideki Ono, Hideshi Iki 2016-03-15
9140762 Mobile electronic device and method for controlling the same Takanobu Hayakawa, Masayoshi Nakajima 2015-09-22
8784645 Process for producing hydrocarbon oil Yasutoshi Iguchi, Tatsuo Hamamatsu, Hideki Ono, Hideshi Iki 2014-07-22
8774877 Mobile electronic device Kazuyoshi Suda 2014-07-08
8615007 Network switching system with asynchronous and isochronous interface 2013-12-24
8421405 Charge system, mobile electronic device, cell terminal used for them, and secondary cell Masayoshi Nakajima 2013-04-16
8414192 Cage for ball bearing Hiroshi Sekimoto 2013-04-09
8392131 Portable electronic device and method for controlling the same Masayoshi Nakajima, Takanobu Hayakawa 2013-03-05
8249061 Network switching system with asynchronous and isochronous interface 2012-08-21
7786637 Touchdown bearing Hiroshi Sekimoto, Masaaki Ootsuki 2010-08-31
7712967 Ball bearing Hiroshi Sekimoto, Masaaki Ohtsuki 2010-05-11
7480290 Network switching system with asynchronous and isochronous interface 2009-01-20
7088549 Thin-film magnetic head having a high recording density and frequency Hisayuki Yazawa, Naruaki Oki, Kiyoshi Kobayashi, Yoshihiro Kanada, Masaki Ikegami 2006-08-08
6987758 Network switching system with asynchronous and isochronous interface 2006-01-17
6919043 Method of sterilization for container, apparatus using therefor and heat treatment for container Atsushi Hayakawa, Makoto Hayashi, Masatoshi Takagi 2005-07-19
6882502 Thin-film magnetic head with narrowed track width and method for making same Kiyoshi Sato, Hideki Gochou, Hisayuki Yazawa, Kiyoshi Kobayashi 2005-04-19
6876541 Aluminum material for electrode of electrolytic capacitor and method for producing aluminum foil for electrode of electrolytic capacitor, and electrolytic capacitor Taro Kato, Masato Akao, Tadao Fujihira, Tomoaki Yamanoi, Jin Zhang 2005-04-05
6704162 Thin-film head for reducing track width, preventing write fringing and reducing saturation Kiyoshi Sato, Hideki Gochou, Kiyoshi Kobayashi, Hisayuki Yazawa, Minoru Yamada 2004-03-09
6697221 Perpendicular magnetic recording head with inverted trapezoidal main magnetic pole layer Kiyoshi Sato, Toshinori Watanabe, Hideki Gochou, Hisayuki Yazawa, Kiyoshi Kobayashi 2004-02-24