KH

Kunio Hayakawa

Ricoh Company: 1 patents #267 of 684Top 40%
📍 Gotenba, JP: #2 of 2 inventorsTop 100%
Overall (2003): #175,576 of 273,478Top 65%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6514328 Marking ink composition and display medium using the same Ikuo Katoh, Hitoshi Kondoh, Mitsunobu Morita, Kyohji Tsutsui, Takashi Okada 2003-02-04