HH

Hitoshi Hayakawa

SE Seiko Epson: 29 patents #525 of 7,774Top 7%
DT Daido Tokushuko: 5 patents #25 of 382Top 7%
DC Dainippon Ink And Chemicals: 4 patents #105 of 1,002Top 15%
DI Dic: 3 patents #189 of 844Top 25%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
KO Komatsu: 1 patents #1,163 of 2,087Top 60%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
FV Fuji Valve: 1 patents #2 of 10Top 20%
Overall (All Time): #65,640 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
6578949 Ink jet recording device and method of driving and controlling the same Masaru Takahashi, Kojiro Iizuka, Mitsugu Ota, Takashi Akase, Hideki Okumura 2003-06-17
6568788 Ink jet recording apparatus Yoshiaki Shimizu, Norihiro Maruyama 2003-05-27
6481826 Ink jet recording apparatus, method of discharging ink from capping unit incorporated in the apparatus, and ink composition used with the apparatus Kazuhiko Hara 2002-11-19
6481824 Ink jet recording apparatus and recording head cleaning control method thereon Tatsuya Seshimo, Hikonosuke Uwai 2002-11-19
6422680 Ink jet recording apparatus and cleaning control method for the same Shigenori Fukasawa 2002-07-23
6417488 Internal metal pipe welding apparatus and monitoring system Yuko Takeuchi, Masaki Tsuchiya 2002-07-09
6406123 Capping unit for ink jet recording head incorporated in ink jet recording apparatus and method of manufacturing the same Minoru Usui, Kazuhiko Hara, Shigenori Fukasawa, Katsuhiro Komatsu 2002-06-18
6338539 Ink jet recording device Atsushi Kobayashi, Seiji Mochizuki, Kazuhisa Kawakami, Shigenori Fukasawa, Masahiro Isono +4 more 2002-01-15
6337459 Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereof F. X. Terwijn, Kiyoshi Morii, Yuko Takeuchi, Yoshihisa Kato, Naoki Nishimura 2002-01-08
6305778 Ink-jet recording apparatus Atsushi Kobayashi, Seiji Mochizuki, Kazuhisa Kawakami, Shigenori Fukasawa, Masahiro Isono +4 more 2001-10-23
6260944 Ink jet type recording apparatus and recording head cleaning method Seiji Mochizuki, Satoshi Shinada 2001-07-17
6227661 Ink-jet printer 2001-05-08
6036299 Ink-jet recording apparatus Atsushi Kobayashi, Seiji Mochizuki, Kazuhisa Kawakami, Shigenori Fukasawa, Masahiro Isono +4 more 2000-03-14
5907336 Ink jet recording apparatus with ink discharge hole in nonprint region 1999-05-25
5855699 Method for manufacturing welded clad steel tube Motoaki Oyama, Minoru Yuzuki, Kazuto Terai, Yuko Takeuchi 1999-01-05
5773785 Plasma cutting apparatus for concrete structures Yuukou Takeuchi, Taku Murakami, Tooru Fukuda, Akifumi Hoshino 1998-06-30
5382969 Ink-expelling restoring device and method for ink jet printer Seiji Mochizuki, Kazuhisa Kawakami 1995-01-17
5260724 Capping device for ink jet printer Tsuyoshi Tomii, Seiji Mochizuki, Yukihiro Hanaoka, Toshio Kumagai 1993-11-09
5225153 Pebble-type high temperature gas reactor Masao Yamada 1993-07-06
4902359 Wear-resistant titanium or titanium-alloy member and a method for manufacturing the same Yukoh Takeuchi, Yoshihisa Kato, Masaru Nagata, Shinji Nakayama 1990-02-20