MM

Masaru Miyamoto

ML Mitsubishi Pencil Company, Limited: 20 patents #7 of 302Top 3%
SO Sony: 12 patents #3,691 of 25,231Top 15%
NT NTT: 5 patents #1,080 of 4,871Top 25%
MC Minolta Co.: 3 patents #574 of 1,416Top 45%
MK Mitsubishi Pencil Kabushikikaisha: 2 patents #10 of 34Top 30%
IC Iwatsu Electric Co.: 1 patents #87 of 212Top 45%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
MI Mitsubishi: 1 patents #54 of 173Top 35%
Overall (All Time): #64,968 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
6770688 Water-based ballpoint ink composition 2004-08-03
6613135 Pseudo-plastic water based ink for ballpoint pen Shigeru Miyazaki, Yoji Takeuchi 2003-09-02
6599352 Water-based ink composition for writing instrument Katsuhiko Shiraishi, Yoji Takeuchi, Tadashi Kamagata 2003-07-29
6554890 Water based ink composition for writing instrument Tadashi Kamagata 2003-04-29
6492435 Water based white color tone pigment ink for ball point pen Miki Shinozuka, Tadashi Kamagata 2002-12-10
6491747 Water based ink composition for writing instrument Tadashi Kamagata 2002-12-10
6471759 Water based ink composition for writing instrument Tadashi Kamagata 2002-10-29
6451099 Water based ink composition for ball point pen Tadashi Kamagata, Miki Shinozuka 2002-09-17
6423127 Pseudo-plastic water base ink for ball point pen Shigeru Miyazaki, Yoji Takeuchi 2002-07-23
6390710 Aqueous gel ink-filled ball point pen 2002-05-21
6312510 Water-base white pigment ink for ballpoints Tadashi Kamagata, Miki Shinozuka 2001-11-06
6264729 Water based ink composition for writing instrument Shigeru Miyazaki, Yoji Takeuchi 2001-07-24
6261351 Water based ink for ball point pen Shigeru Miyazaki, Yoji Takeuchi 2001-07-17
6215527 Video signal contour correcting circuit Hiroshige Okamoto, Yoko Takahashi, Atsuko Tsukimura 2001-04-10
6176910 Pseudoplastic water based ink for ballpoint pen Shigeru Miyazaki, Yoji Takeuchi 2001-01-23
6120590 Water-base ink having metallic lustrous color for ballpoint pen Kiyoshi Iwamoto 2000-09-19
6084725 Noncircular lens positioning structure and its method Tamotsu Kume, Hideki Nagata 2000-07-04
6075660 Noncircular lens positioning structure and its method Tamotsu Kume, Hideki Nagata 2000-06-13
6072641 Noncircular lens positioning structure and its method Tamotsu Kume, Hideki Nagata 2000-06-06
5674993 Nucleic acid markers for rice blast resistance genes and rice blast resistance genes isolated by the use of these markers Shinji Kawasaki, Masaya Satoh, Naoki Katsura, Ikuo Andoh 1997-10-07