TM

Tsunebumi Matsunaga

MC Mitsui Engineering & Shipbuilding Co.: 2 patents #87 of 496Top 20%
KA Kajima: 1 patents #125 of 383Top 35%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #2,307,064 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5087856 Discharge electrode having a thin wire core and surface coating of amorphous alloy for a discharger Michio Yoshizawa, Makoto Ebata, Yasuo Oyama 1992-02-11
4321448 Method of and apparatus for welding metal bars Kaoru Shiozawa 1982-03-23