TY

Takehito Yamaguchi

Ricoh Company: 1 patents #232 of 695Top 35%
Overall (1997): #70,474 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5641724 Reversible thermosensitive coloring composition and a thermosensitive recording medium using thereof Kyoji Tsutsui, Masaru Shimada 1997-06-24