MM

Masanao Matsuzawa

SE Seiko Epson: 22 patents #789 of 7,774Top 15%
EP Epson: 2 patents #14 of 66Top 25%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
Overall (All Time): #156,555 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
6231248 Ink supply tank for a printer Takashi Suzuki, Yoshinori Miyazawa 2001-05-15
6224275 Ink-supply tank for a printer Takashi Suzuki, Yoshinori Miyazawa 2001-05-01
6176629 Ink supply tank for a printer Takashi Suzuki, Yoshinori Miyazawa 2001-01-23
6123469 Ink-supply wire dot matrix printer head Takashi Suzuki, Yoshinori Miyazawa 2000-09-26
5622439 Ink-supply tank for a dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1997-04-22
5615957 Ink-supply tank for a dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1997-04-01
5607242 Ink-supply tank for a printer Takashi Suzuki, Yoshinori Miyazawa 1997-03-04
5603577 Ink supply tank for a printer Takashi Suzuki, Yoshinori Miyazawa 1997-02-18
5560720 Ink-supply tank for a dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1996-10-01
5453770 On-demand type ink jet print head Takahiro Katakura, Toshio Kumagai, Shinji Yasukawa, Hideaki Sonehara, Fujio Akahane +3 more 1995-09-26
5421658 Ink supply mechanism for a dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1995-06-06
5328279 Dot matrix printer head Takashi Suzuki, Yoshinori Miyazawa 1994-07-12
5221148 Dot matrix printer ink supply system having ink absorbing member substantially filling an ink tank Takashi Suzuki, Yoshinori Miyazawa 1993-06-22
5174665 Ink-supply system for a dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1992-12-29
5158377 Ink-supply system for a dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1992-10-27
5156470 Two cartridge ink-supply system for a multi-color dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1992-10-20
5156471 Ink-supplied wire dot matrix printer head Takashi Suzuki, Yoshinori Miyazawa 1992-10-20
5156472 Dot matrix printer supply system having ink absorbing member filled under reduced pressure Takashi Suzuki, Yoshinori Miyazawa 1992-10-20
5156473 Multi-color cartridge ink-supply system for a dot matrix printer Takashi Suzuki, Yoshinori Miyazawa 1992-10-20
5072240 On-demand type ink jet print head Yoshinori Miyazawa, Hidenori Omae, Hisashi Miyazawa, Takahiro Katakura, Osamu Nakamura +1 more 1991-12-10
4969759 Ink-supplied wire dot matrix printer head Takashi Suzuki, Yoshinori Miyazawa 1990-11-13
4962391 Ink jet printer head Tsuyoshi Kitahara, Shuji Yonekubo, Hideki Morozumi, Koichi Higashimura 1990-10-09
4610554 Ink composition and wire dot printer including same Takashi Suzuki, Makoto Matsuzaki, Yoshinori Miyazawa 1986-09-09
4553865 Ink-supplied wire dot printer Yoshito Ikeda, Hitoshi Fujiwara, Yoshifumi Gomi, Yasuhito Hirashima 1985-11-19
4456393 Wire dot printer Yoshifumi Gomi, Yoshito Ikeda, Yoshihisa Morita 1984-06-26