HS

Hiromitsu Shimizu

SC Sakai Chemical Industry Co.: 14 patents #7 of 227Top 4%
Ricoh Company: 11 patents #2,054 of 9,818Top 25%
HC Hirose Manufacturing Co.: 8 patents #2 of 9Top 25%
PC Petroleum Energy Center: 5 patents #5 of 180Top 3%
CC Cosmo Oil Co.: 5 patents #22 of 229Top 10%
AT Agency Of Industrial Science And Technology: 3 patents #163 of 1,778Top 10%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
MC Mitsubishi Petrochemical Engineering Co.: 2 patents #7 of 36Top 20%
CC Catalysts & Chemicals Industries Co.: 2 patents #35 of 128Top 30%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
Overall (All Time): #103,272 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5076182 Rotary hook Tokuzo Hirose 1991-12-31
5029544 Oscillating loop taker for a sewing machine 1991-07-09
4977127 Catalyst for denitrizing nitrogen oxides contained in waste gases Hiroaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina 1990-12-11
4952381 Method for denitrizing nitrogen oxides contained in waste gas Horiaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina +11 more 1990-08-28
4884520 Loop taker and sewing machine 1989-12-05
4859439 Catalyst and a method for denitrizing nitrogen oxides contained in waste gases Hiroaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kuzuhiko Nagano, Kazuya Mishina 1989-08-22
4777895 Method of sewing sheet material and an apparatus therefor 1988-10-18
4700643 Rotary hook Tokuzo Hirose 1987-10-20
4665850 Rotary hook assembly 1987-05-19