MM

Masashi Miyagawa

Canon: 61 patents #452 of 19,416Top 3%
DE Denso: 11 patents #1,094 of 11,792Top 10%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
FU Futaba: 2 patents #83 of 292Top 30%
Overall (All Time): #23,693 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 26–50 of 78 patents

Patent #TitleCo-InventorsDate
6877225 Method of manufacturing an ink jet head Hiroshi Sugitani, Masami Kasamoto, Tsuyoshi Orikasa, Jun Kawai, Teruo Arashima +1 more 2005-04-12
6790309 Method for manufacturing ink jet head and ink jet head manufactured by such method Yoshiaki Kurihara 2004-09-14
6745467 Method of producing a liquid discharge head Haruhiko Terai, Masami Kasamoto, Hiroyuki Ishinaga, Torachika Osada, Genji Inada +3 more 2004-06-08
6663229 Ink jet recording head having movable member and restricting section for restricting displacement of movable member, and method for manufacturing the same Hirokazu Komuro, Yoshinori Misumi, Masahiko Kubota, Hiroyuki Sugiyama, Ryoji Inoue 2003-12-16
6659588 Liquid discharge head and producing method therefor Ken Ikegame, Yoshiaki Suzuki, Toshio Kashino, Shuji Koyama, Junji Tatsumi +2 more 2003-12-09
6591500 Method of manufacturing a liquid discharge head Yoshiaki Suzuki, Yoshinori Tagawa, Makoto Watanabe, Tatsuya Masukawa, Yoshiaki Kurihara +1 more 2003-07-15
6569343 Method for producing liquid discharge head, liquid discharge head, head cartridge, liquid discharging recording apparatus, method for producing silicon plate and silicon plate Yoshiaki Suzuki, Toshio Kashino, Hiroaki Mihara 2003-05-27
6527377 Liquid discharge head and producing method therefor Ken Ikegame, Yoshiaki Suzuki, Toshio Kashino, Shuji Koyama, Junji Tatsumi +2 more 2003-03-04
6511162 Liquid discharge head and method for manufacturing the same Toshio Kashino, Hiroshi Sugitani, Masami Ikeda, Yoshiaki Suzuki, Shuji Koyama +2 more 2003-01-28
6488364 Recording method and apparatus for controlling ejection bubble formation Kazuhiro Nakajima, Masanori Takenouchi, Toshiharu Inui, Yoshihisa Takizawa, Hisao Yaegashi +3 more 2002-12-03
6461798 Process for the production of an ink jet head Norio Ohkuma, Hiroaki Toshima 2002-10-08
6455112 Method of manufacturing ink jet recording head and ink jet recording head manufactured by the method Norio Ohkuma, Hiroaki Toshima 2002-09-24
6447984 Liquid discharge head, method of manufacture therefor and liquid discharge recording apparatus Junji Tatsumi, Hiroshi Sugitani, Masami Ikeda, Masami Kasamoto, Hiroyuki Ishinaga +11 more 2002-09-10
6412920 Ink jet printing head, ink jet head cartridge and printing apparatus Haruyuki Matsumoto, Hajime Yamamoto, Mineo Kaneko, Tsuguhiro Fukuda 2002-07-02
6378993 Liquid discharge head, producing method therefor and liquid discharge apparatus Teruo Ozaki, Ichiro Saito, Toshio Kashino, Yoshiyuki Imanaka, Masahiko Kubota +3 more 2002-04-30
6243116 Ink container, installing-removing method therefore and apparatus usable with the same Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato +4 more 2001-06-05
6180018 Ink jet printing head, manufacturing method therefor, and ink jet printing apparatus Hiroshi Sugitani, Kazuaki Masuda, Masashi Kitani, Masami Kasamoto, Toshihiro Mori +3 more 2001-01-30
6168253 Ink-jet head using sealant and ink-jet apparatus using the ink-jet head Masahiko Higuma 2001-01-02
6155677 Ink jet recording head, an ink jet unit and an ink jet apparatus using said recording head Masashi Kitani, Hiroshi Sugitani, Yasuro Kashima, Masanori Takenouchi, Tadanobu Nagami +7 more 2000-12-05
6155673 Recording method and apparatus for controlling ejection bubble formation Kazuhiro Nakajima, Masanori Takenouchi, Toshiharu Inui, Yoshihisa Takizawa, Hisao Yaegashi +3 more 2000-12-05
6145975 Method of mounting an exchangeable ink container Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato +4 more 2000-11-14
6076919 Jet recording method Katsuhiro Shirota, Masanori Takenouchi, Akira Asai, Hisao Yaegashi, Norio Ohkuma +3 more 2000-06-20
6070974 Ink jet unit for a detachably mountable ink container Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato +4 more 2000-06-06
6062678 Ink-jet recording head with a particular arrangement of thermoelectric transducers and discharge openings Hiroyuki Ishinaga, Masami Ikeda, Hajime Kaneko, Hideo Saikawa, Noribumi Koitabashi +7 more 2000-05-16
5992981 Ink jet head, ink jet apparatus, and method of and apparatus for manufacturing the head Hiroshi Sugitani, Masami Kasamoto, Tsuyoshi Orikasa, Jun Kawai, Teruo Arashima +1 more 1999-11-30