Inventor · Tokyo, JP

Hiroshi Akema

16Patents
10h-index
18Co-inventors
65Inventor score

Filing activity: Nov 5, 1998 → Dec 23, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6838526B1 Modified conjugated diene polymer and method of producing the same and rubber composition Chemistry; Metallurgy 59 Expired
US6518350B1 Rubber composition and tire Emerging Cross-Sectional Technologies 25 Expired
US6362272B1 Oil extended rubber and rubber composition Chemistry; Metallurgy 25 Expired
US6344518B1 Conjugated diolefin copolymer rubber and rubber composition Chemistry; Metallurgy 23 Expired
US8186665B2 Locking device of paper feed tray and image forming apparatus Performing Operations; Transporting 16 Active
US6559219B2 Rubber compositions Chemistry; Metallurgy 15 Expired
US6191234A Conjugated diolefin-based copolymer rubber and composition thereof Chemistry; Metallurgy 14 Expired
US6127472A Rubber composition Emerging Cross-Sectional Technologies 14 Expired
US6653404B2 Rubber compositions Chemistry; Metallurgy 12 Expired
US6740700B2 Rubber compositions and methods for producing the same Chemistry; Metallurgy 12 Expired
US6747095B2 Crosslinked rubber particles and rubber compositions Emerging Cross-Sectional Technologies 10 Expired
US6699935B2 Rubber composition Emerging Cross-Sectional Technologies 8 Expired
US6977286B2 Crosslinked rubber particles and rubber compositions Emerging Cross-Sectional Technologies 1 Expired
US6603946B2 Image forming apparatus for synthetic resin sheets Physics 0 Expired
US6556803B2 Image forming apparatus for synthetic resin sheets Physics 0 Expired
US7537028B2 Device for fluid processor and its fluid flow path setting device, fluid processor, and fluid processing method Emerging Cross-Sectional Technologies 0 Expired

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