YY

Yoshimasa Yokoyama

Casio Computer Co.: 8 patents #310 of 1,970Top 20%
YC Yokoyama Sankoh Co.: 6 patents #1 of 3Top 35%
HZ Hitachi Zosen: 6 patents #19 of 531Top 4%
CK Casio Keisanki: 5 patents #47 of 124Top 40%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
KM Kyushu Hitachi Maxell: 2 patents #12 of 65Top 20%
HA Hitachi America: 2 patents #27 of 97Top 30%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
RG Reinheart Gmbh: 1 patents #4 of 9Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
H( Hitachi Home Electronics (Amerca): 1 patents #10 of 11Top 95%
Overall (All Time): #103,018 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6129655 Method of folding and shaping sheet, and apparatus for folding and shaping sheet Masahiro Yamamoto 2000-10-10
D431232 Liquid crystal display rear projection television receiver Asako Katayama, Fumiyoshi Akiyama, Shouji Uchiyama, Hiroshi Suzuki, Masahiro Yaezawa 2000-09-26
5808704 Rear projection type image display apparatus Hiroki Yoshikawa, Takahiko Yoshida, Kiyoshi Wada, Shigeru Mori, Tetsu Ohishi +12 more 1998-09-15
5450127 Image pickup apparatus for performing exposure control by using one-dimensional image pickup device Hiroto Shimizu 1995-09-12
5030510 Freshness preservative packing material for foodstuffs and method of fixing the freshness preservative substance onto the packing material Mikio Hanioka 1991-07-09
4882176 Method for molding confectionery products Kazuya Koyama 1989-11-21
D296929 Massager Kiyonori Furukawa, Maki Fujisawa 1988-07-26
D294061 Tank for a battery-operated sprayer Masaru Komiya, Yasusuke Seki 1988-02-02
4669986 Writing training device 1987-06-02