DO

Daisuke Oka

HC Hitachi Construction Machinery Tierra Co.: 5 patents #14 of 55Top 30%
SC Sumitomo Bakelite Co.: 2 patents #227 of 790Top 30%
DI Disco: 1 patents #384 of 708Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #709,275 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11332911 Construction machine Yoshifumi Takebayashi, Hajime Yoshida, Natsuki Nakamura 2022-05-17
11280059 Hydraulic drive system for construction machine Kazushige Mori, Hajime Yoshida, Yoshifumi Takebayashi, Natsuki Nakamura 2022-03-22
11111650 Hydraulic drive system for construction machine Kiwamu Takahashi, Taihei Maehara, Takeshi Ishii, Yoshifumi Takebayashi, Natsuki Nakamura 2021-09-07
10995473 Construction machine Yoshifumi Takebayashi, Hajime Yoshida, Natsuki Nakamura 2021-05-04
10676897 Construction machine Hajime Yoshida, Yoshifumi Takebayashi, Natsuki Nakamura 2020-06-09
8652941 Wafer dicing employing edge region underfill removal Richard F. Indyk, Jae-Woong Nah, Satoru Katsurayama, Shigefumi Okada 2014-02-18
8008410 Epoxy resin composition for encapsulating semiconductor and semiconductor device Takahiro Kotani, Yoshinori Nishitani 2011-08-30