AK

Akinaga Kumakawa

UN Unknown: 6 patents #2,010 of 83,584Top 3%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
JA Japan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%
📍 Soma, JP: #170 of 570 inventorsTop 30%
Overall (All Time): #1,213,674 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9108267 Pulse electric-current bonding method and pulse electric-current bonding apparatus Tadashi MASUOKA, Shin-ichi Moriya, Tomohiro Sato, Shinichi Takei 2015-08-18
4584171 Method of producing rocket combustors Masayuki Niino, Nobuyuki Yatsuyanagi, Akio Suzuki, Masaki Sasaki, Hiromi Gomi +8 more 1986-04-22
4582678 Method of producing rocket combustors Masayuki Niino, Akio Suzuki, Nobuyuki Yatsuyanagi, Masaki Sasaki, Hiroshi Tamura +8 more 1986-04-15
4508680 Method of manufacturing a rocket combustion chamber Masayuki Niino, Nobuyuki Yatsuyanagi, Akio Suzuki, Hiromi Gomi, Hiroshi Sakamoto +6 more 1985-04-02