TK

Tetsuo Kumagai

TO Toyota: 3 patents #8,352 of 26,838Top 35%
AC Aisin Aw Co.: 2 patents #784 of 2,011Top 40%
DE Denso: 2 patents #4,986 of 11,792Top 45%
Merck: 1 patents #5,419 of 9,382Top 60%
Overall (All Time): #1,127,777 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11656085 Route searching device and computer program Tominori Iwata, Yusuke Kawabata, Xin Jin 2023-05-23
9074902 Navigation apparatus and map information updating method Hikaru Nagasaka, Hiroyoshi Masuda, Tomoki Kodan, Kazunori Watanabe, Yasutaka Atarashi +1 more 2015-07-07
8571790 Method for switching reference map data in navigation device, computer readable medium for the same, and navigation device Atsushi Tanabe, Kazunori Watanabe, Kenji Nagase 2013-10-29
5945445 Composition and method for preventing or treating pine wilting disease George F. Barringer 1999-08-31