HH

Hidetoshi Hirai

TI Toyota Industries: 5 patents #188 of 955Top 20%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #669,506 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5298203 Process for producing fiber aggregate Takashi Yoshida, Tomohito Ito, Fukuo Gomi 1994-03-29
5059107 Apparatus for producing annular fiber aggregate Renichi Isomura, Mitsuyoshi Shirotani, Tomohito Ito 1991-10-22
4938844 Process for producing fiber aggregate Tomohito Ito, Renichi Isomura, Fukuo Gomi, Senichi Masuda 1990-07-03
4874495 Apparatus for producing a fiber aggregate Tomohito Ito, Renichi Isomura, Fukuo Gomi 1989-10-17
4826569 Process for producing a fiber aggregate Tomohito Ito, Renichi Isomura, Fukuo Gomi 1989-05-02
4789605 Composite material with light matrix metal and with reinforcing fiber material being short fiber material mixed with potassium titanate whiskers Masahiro Kubo, Tadashi Dohnomoto, Atsuo Tanaka 1988-12-06
4777097 Composite material including alumina-silica short fiber reinforcing material and aluminum alloy matrix metal with moderate copper and magnesium contents Masahiro Kubo, Tadashi Dohnomoto, Atsuo Tanaka 1988-10-11
4720434 Composite material including silicon carbide and/or silicon nitride short fibers as reinforcing material and aluminum alloy with copper and relatively small amount of silicon as matrix metal Masahiro Kubo, Tadashi Dohnomoto, Atsuo Tanaka 1988-01-19