KT

Kyoji Tsutsui

Ricoh Company: 2 patents #128 of 684Top 20%
Overall (2003): #55,645 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6656879 Method of reversible selective manifestation of different states of functional element Takehito Yamaguchi, Hideaki Ema, Masaru Shimada, Hiroshi Goto, Ichiro Sawamura +5 more 2003-12-02
6579826 Reversible thermosensitive recording medium and image forming and erasing method using the recording medium Hiromi Furuya, Tadafumi Tatewaki, Satoshi Arai, Takeshi Shibuya 2003-06-17