YS

Yumiko Sakamaki

CC Citizen Watch Co.: 8 patents #104 of 1,225Top 9%
Overall (All Time): #662,387 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6970399 Thermal power generating timepiece and rear cover for thermal power generating timepiece Shigeru Watanabe, Atsushi Murakami 2005-11-29
6329217 Thermoelectric device and method of fabricating the same Shigeru Watanabe 2001-12-11
6310383 Thermoelectric element and method for manufacturing the same Shigeru Watanabe 2001-10-30
6174573 Tolan compound and liquid crystal composition containing the same Tomijiro Naito, Kikuo Yamamoto, Katsuji Niino 2001-01-16
5972244 Tolan compound and liquid crystal composition containing the same Tomijiro Naito, Kikuo Yamamoto, Katsuji Niino 1999-10-26
5656198 Tolan compound and liquid crystal composition containing the same Tomijiro Naito, Katsuji Niino, Kikuo Yamamoto 1997-08-12
5651919 Benzyl ether derivative and composition containing the same Tomijiro Naito, Hisato Sato 1997-07-29
5364558 Ester derivatives Tomijiro Naito, Toshiro Yukinari 1994-11-15