YE

Yoshiaki Echigo

Ricoh Company: 1 patents #176 of 604Top 30%
UN Unitika: 1 patents #5 of 66Top 8%
Overall (1994): #49,078 of 165,921Top 30%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5348818 Carbonaceous material and a cell using the same Keiichi Asami, Hideki Takahashi, Katsuo Inoue, Toshiyuki Ohsawa, Toshiyuki Kabata 1994-09-20