Inventor · Tokyo, JP

Seiki Ohara

33Patents
5h-index
35Co-inventors
69Inventor score

Filing activity: Apr 28, 1999 → Nov 9, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6268304A Plate glass and substrate glass for electronics Chemistry; Metallurgy 48 Expired
US8691711B2 Glass for display device and glass plate Chemistry; Metallurgy 44 Active
US6297182A Glass for a substrate Chemistry; Metallurgy 35 Expired
US9840435B2 Display cover glass and display cover glass fabrication method Emerging Cross-Sectional Technologies 23 Active
US7524781B2 Non-lead optical glass and optical fiber Physics 7 Active
US9487440B2 Process for producing chemically strengthened glass Emerging Cross-Sectional Technologies 4 Active
US6819860B2 Optical amplifying glass and optical waveguide Emerging Cross-Sectional Technologies 4 Expired
US10370287B2 Chemically strengthened glass, and glass for chemical strengthening Chemistry; Metallurgy 3 Active
US8443629B2 Method for manufacturing ultra-thin glass substrate Emerging Cross-Sectional Technologies 3 Active
US10472272B2 Chemically strengthened glass, and glass for chemical strengthening Chemistry; Metallurgy 3 Active
US10384974B2 Chemically strengthened glass, and glass for chemical strengthening Chemistry; Metallurgy 2 Active
US10393966B2 Composite optical waveguide Physics 2 Active
US11314018B2 Polymer optical waveguide and composite optical waveguide Physics 1 Active
US8053383B2 Light-amplifying glass Electricity 1 Active
US10222554B2 Resin optical waveguide Physics 1 Active
US11767252B2 Chemically strengthened glass, and glass for chemical strengthening Chemistry; Metallurgy 1 Active
US9546104B2 White glass Emerging Cross-Sectional Technologies 1 Active
US10040716B2 Glass sheet Chemistry; Metallurgy 0 Active
US10409000B2 Resin optical waveguide Physics 0 Active
US10196304B2 Glass and chemically toughened glass using same Chemistry; Metallurgy 0 Active
US11505491B2 Glass ceramic and chemically strengthened glass Emerging Cross-Sectional Technologies 0 Active
US9938181B2 White glass Emerging Cross-Sectional Technologies 0 Active
US12006252B2 Chemically strengthened glass with a film and method for measuring surface stress of chemically strengthened glass Chemistry; Metallurgy 0 Active
US9580353B2 Manufacturing method for phase-separated glass, and phase-separated glass Emerging Cross-Sectional Technologies 0 Active
US11099325B2 Polymer optical waveguide Physics 0 Active

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