YK

Yoshiko Kurosawa

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,282,399 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5900336 Negative electrode for lithium secondary battery and lithium secondary battery using the negative electrode Toshiyuki Kabata, Toshiyuki Ohsawa, Nobuo Katagiri, Okitoshi Kimura, Toshishige Fujii +4 more 1999-05-04
5885733 Non-aqueous secondary lithium battery Toshiyuki Ohsawa, Toshiyuki Kabata, Okitoshi Kimura, Toshishige Fujii, Nobuo Katagiri +1 more 1999-03-23
5459701 Magneto-optical recording method Toshiaki Tokita, Motoharu Tanaka, Atsuyuki Watada 1995-10-17
5420833 Magneto-optical recording medium having first and second magnetic layers Motoharu Tanaka, Atsuyuki Watada, Masaetsu Takahashi, Hiroshi Deguchi, Toshiaki Tokita 1995-05-30