SH

Seiichiro Hiratsuka

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #43,927 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6611620 Reversible coding method, reversible coding apparatus, and memory medium used therein Masaaki Kobayashi, Mutsuaki NOMA 2003-08-26
6563604 Method of gradation reproduction Hiroyuki Morimatsu 2003-05-13