NO

Naoyuki Okamoto

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Canon: 6 patents #8,497 of 19,416Top 45%
AC Ajinomoto Co.: 5 patents #360 of 2,190Top 20%
SC Sumitomo Special Metals Co.: 5 patents #39 of 262Top 15%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
PE Pentax: 2 patents #412 of 761Top 55%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
NC Nippon Tungsten Co.: 1 patents #45 of 139Top 35%
NC Narumi China: 1 patents #19 of 45Top 45%
AC Amada Co.: 1 patents #242 of 479Top 55%
Overall (All Time): #106,814 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
6176769 Ceramics dress substrate and method of using the dress substrate Masato Suzuki, Shirohito Matsuyama, Katsushi Sugita, Kazutoyo Shimizu 2001-01-23
6176762 Method of cutting a ceramic base plate Kazutoyo Shimizu, Makoto Fukuda 2001-01-23
5914285 Substrate material for a magnetic head Toyoshige Sasaki, Shigeki Mohri, Osamu Nakano, Shin Mishima, Shigeru Kawahara 1999-06-22
5898514 Beam scanning system 1999-04-27
5859659 Laser beam scanning device and method including light intensity adjustment Yoshiyuki Araki 1999-01-12
5521438 Ceramic base and metallic member assembly Kazunori Miura 1996-05-28
5362551 Ceramic substrate Hidetoshi Mizutani, Kazunori Miura, Kazuo Kondo 1994-11-08
4721878 Charged particle emission source structure Hirotoshi Hagiwara, Akio Rokugawa, Tsunemasa Inoue 1988-01-26