Inventor · Hitachi, JP

Masahiro Tooma

7Patents
3h-index
26Co-inventors
53Inventor score

Filing activity: Feb 3, 1998 → Jun 26, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5991360A Laser plasma x-ray source, semiconductor lithography apparatus using the same and a method thereof Physics 54 Expired
US6957583B2 Ultrasonic array sensor, ultrasonic inspection instrument and ultrasonic inspection method Physics 14 Expired
US7093490B2 Ultrasonic flaw detecting method and ultrasonic flaw detector Physics 11 Expired
US8387427B2 Water jet peening method and apparatus thereof Chemistry; Metallurgy 1 Active
US9334031B2 System for attitude control of underwater vehicle and method for attitude control of underwater vehicle Emerging Cross-Sectional Technologies 0 Active
US8655022B2 System and method for detecting position of underwater vehicle Emerging Cross-Sectional Technologies 0 Active
US9689660B2 Method and device for monitoring status of turbine blades Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.