TO

Tetsuya Ooba

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
HS Hitachi Printing Solutions: 1 patents #50 of 99Top 55%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #919,574 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12417199 Semiconductor device and control method of the same 2025-09-16
9126564 Communication apparatus for vehicle Masayoshi Ono, Masato Sumida, Masahiko Katayama, Naohisa Uehara 2015-09-08
7400243 Communication apparatus for vehicle Masato Sumida, Masayoshi Ono, Masahiko Katayama, Naohisa Uehara 2008-07-15
6741830 Image forming apparatus Yasushi Kinoshita, Kazutaka Sato, Shigeru Obata, Akitomo Kuwabara 2004-05-25
6553206 Image forming apparatus Kenji Asuwa, Kazutaka Sato, Shigeru Obata, Yasushi Kinoshita, Akitomo Kuwabara 2003-04-22