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 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6636381 Thin-film magnetic head for reducing track width, preventing write fringing and reducing magnetic saturation, and production method thereof Kiyoshi Sato, Hideki Gochou, Kiyoshi Kobayashi, Hisayuki Yazawa, Minoru Yamada 2003-10-21
6226361 Communication method, voice transmission apparatus and voice reception apparatus 2001-05-01
5631100 Secondary battery Akira Yoshino, Yumiko Takizawa, Katsuhiko Inoue, Masataka Yamashita, Yasufumi Minato +1 more 1997-05-20
5584098 Operating knob-mounting structure Hiroshi Suyama, Katsuaki Suzuki 1996-12-17