KI

Kazuaki Iseda

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #1,988,927 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9743470 Lighting control circuit, illuminating lamp using the lighting control circuit, and lighting device using the illuminating lamp Hisashi Tomiyama, Masaharu Urano, Shigemi Hagiwara 2017-08-22
9357599 Lighting control circuit, illuminating lamp using the lighting control circuit, and lighting device using the illuminating lamp Hisashi Tomiyama, Masaharu Urano, Shigemi Hagiwara 2016-05-31