YK

Yukio Konagaya

Ricoh Company: 2 patents #69 of 604Top 15%
Overall (1994): #15,269 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5321239 Card processing method Fumihito Masubuchi, Yoshihiko Hotta, Kunichika Morohoshi, Makoto Kawaguchi, Toru Nogiwa +1 more 1994-06-14
5283220 Reversible thermosensitive recording material Makoto Kawaguchi, Yoshihiko Hotta, Kunichika Morohoshi, Toru Nogiwa, Akira Suzuki +3 more 1994-02-01