YS

Yojiro Sano

ML Mitsubishi Pencil Company, Limited: 2 patents #5 of 35Top 15%
Overall (2002): #34,118 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6435747 Double ended direct-feed type writing implement Kazuhiko Furukawa, Hiroaki Koyama, Takeshi Kobayashi, Yosuke Mito 2002-08-20
6371676 Collector for a writing implement Kazuhiko Furukawa 2002-04-16