Inventor · Chiba, JP

Haruo Ueno

21Patents
10h-index
30Co-inventors
75Inventor score

Filing activity: Aug 31, 1973 → Oct 6, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4435550A Method for polymerizing .alpha.-olefin Emerging Cross-Sectional Technologies 81 Expired
US5679485A Photosensitive composition, photosensitive rubber plate and process for producing same, and flexographic plate and process for producing same Emerging Cross-Sectional Technologies 26 Expired
US5863704A Photosensitive composition and photosensitive rubber plate Physics 25 Expired
US5830621A Photosensitive elastomer composition and photosensitive rubber plate Emerging Cross-Sectional Technologies 24 Expired
US5044350A Pitching machine Human Necessities 24 Expired
US4922885A Pitching machine Human Necessities 21 Expired
US6025098A Photosensitive composition and photosensitive rubber plate Physics 12 Expired
US3935180A Polybutadiene and process for producing same Chemistry; Metallurgy 12 Expired
US4248985A Sulfur-curable acrylic rubber composition Chemistry; Metallurgy 10 Expired
US4153767A Method of producing 1,2-polybutadiene Chemistry; Metallurgy 10 Expired
US4501867A Method for producing a polybutadiene material Chemistry; Metallurgy 8 Expired
US5834036A Safety device for use in clamping unit of molding machine Emerging Cross-Sectional Technologies 8 Expired
US4297463A Method for polymerizing .alpha.-olefin Chemistry; Metallurgy 8 Expired
US4365048A Method for polymerizing .alpha.-olefin Chemistry; Metallurgy 7 Expired
US4228265A Process for producing sulfur-curable acrylic rubbers Chemistry; Metallurgy 6 Expired
US4420594A Method for polymerizing ethylene Chemistry; Metallurgy 5 Expired
US4306046A Method for polymerizing ethylene by means of a novel titanium containing catalyst Chemistry; Metallurgy 2 Expired
US4324877A Method for polymerizing .alpha.-olefin Chemistry; Metallurgy 2 Expired
US4503202A Method for producing polybutadiene having an enhanced mechanical strength Chemistry; Metallurgy 2 Expired
US4504639A Process for polymerizing 1,3-butadiene Chemistry; Metallurgy 1 Expired
USRE31322E Process for producing sulfur-curable acrylic rubbers General 1 Expired

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