Tomofumi Okubo

HI Hitachi: 1 patents #1,056 of 3,189Top 35%

HC Hitachi Industrial Equipment Systems Co.: 1 patents #5 of 13Top 40%

📍 Herndon, VA: #9 of 38 inventorsTop 25%

🗺 Virginia: #361 of 1,679 inventorsTop 25%

Overall (2005): #84,203 of 245,428Top 35%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6954050	Control method and control device of permanent-magnet type synchronous motor	Kazuaki Tobari, Tsunehiro Endo, Hidefumi Shirahama, Yoshiyuki Taguchi	2005-10-11