TU

Tomohiro Ukai

MA Makita: 30 patents #23 of 770Top 3%
DC Daido Metal Company: 4 patents #68 of 280Top 25%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Overall (All Time): #87,864 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
8308034 Hook structure of power tool Yoshinori Shibata 2012-11-13
8197143 Sliding bearing for internal combustion engines Atsushi Okado, Osamu Ishigo 2012-06-12
7961031 Semiconductor switch circuit Hideyuki Kihara, Kiyotaka Inagaki 2011-06-14
D639130 Portable electric saw Naohiro Hayakawa, Fuzhi Zhang 2011-06-07
7741895 Semiconductor switch circuit having MOS transistors with low current consumption Hideyuki Kihara, Kiyotaka Inagaki 2010-06-22
D588429 Portable electric driver Shingo Misaki, Yuta Matsuura 2009-03-17
D551046 Portable power saw Yuji Yamamoto, Satoshi Tsuji, Kiyozumi Kokawa 2007-09-18
D545657 Portable power saw Yuji Yamamoto, Satoshi Tsuji, Kiyozumi Kokawa 2007-07-03
6321622 Structure for attaching a suspending device to an electric power tool Kazunori Tsuge, Yukihiko Yamada 2001-11-27
5988025 Screw feeding device in continuous screw driving tool Katsuhiko Sasaki, Kazunori Tsuge 1999-11-23
5947210 Power screwdriver Katsuhiko Sasaki 1999-09-07
5904079 Screw feeding device in continuous screw driving tool Kazunori Tsuge 1999-05-18