SY

Susumu Yamaguchi

Sumitomo Electric Industries: 16 patents #1,466 of 21,551Top 7%
KO Konica: 9 patents #255 of 1,958Top 15%
KO Konica Minolta Opto: 9 patents #32 of 418Top 8%
DC Diesel Kiki Co.: 4 patents #61 of 366Top 20%
NS Nippon Steel: 4 patents #672 of 4,423Top 20%
ZG Zexel Gmbh: 2 patents #110 of 348Top 35%
RI Rigaku: 2 patents #100 of 239Top 45%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
Aisin Seiki Kabushiki Kaisha: 2 patents #1,427 of 3,782Top 40%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
JA Japan Atomic Energy Agency: 1 patents #64 of 251Top 30%
NC Nissan Diesel Motor Co.: 1 patents #52 of 125Top 45%
DC Daihatsu Motor Co.: 1 patents #84 of 248Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
KP Kabushiki Kaisha Pilot: 1 patents #85 of 160Top 55%
📍 Moriyama, JP: #9 of 2,577 inventorsTop 1%
Overall (All Time): #46,190 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
4771626 Apparatus for roll-changing Kozaburo Ichida, Bunichiro Chikazawa, Hironobu Hayashi, Teruo Matsushita, Akinobu Yoshiura +1 more 1988-09-20
4737086 Fuel injection pump having variable prestroke mechanism Hiroshi Ishiwata, Noriyuki Abe, Hiroshi Tai, Hisashi Nakamura 1988-04-12
4730586 Fuel injection apparatus for internal combustion engines Hiroshi Ishiwata 1988-03-15
4639212 Swirling device for stirling cycle engines Tetsumi Watanabe, Akira Yamaguro 1987-01-27
4619233 Fuel injection system for internal combustion engines 1986-10-28