HK

Hiroaki Koyama

ML Mitsubishi Pencil Company, Limited: 1 patents #15 of 35Top 45%
📍 Fujioka, JP: #3 of 8 inventorsTop 40%
Overall (2002): #206,210 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6435747 Double ended direct-feed type writing implement Kazuhiko Furukawa, Takeshi Kobayashi, Yojiro Sano, Yosuke Mito 2002-08-20