HI

Hiroyuki Ishikawa

TK Toshiba Tec Kabushiki Kaisha: 31 patents #73 of 1,664Top 5%
Brother Kogyo: 22 patents #376 of 2,767Top 15%
NE Nec: 11 patents #1,181 of 14,502Top 9%
SE Seiko Epson: 11 patents #1,668 of 7,774Top 25%
FU Fujifilm: 9 patents #988 of 4,519Top 25%
KS Kawasaki Steel: 8 patents #116 of 1,922Top 7%
Honda Motor Co.: 8 patents #2,726 of 21,052Top 15%
Rohm Co.: 8 patents #378 of 2,292Top 20%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
CP Chugai Pharmaceutical: 5 patents #198 of 1,238Top 20%
IL Isuzu Motors Limited: 4 patents #131 of 908Top 15%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
SS Sumitomo Wiring Systems: 3 patents #955 of 2,615Top 40%
SI Sakata Inx: 3 patents #23 of 78Top 30%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
Casio Computer Co.: 3 patents #744 of 1,970Top 40%
AT Autonetworks Technologies: 2 patents #557 of 1,079Top 55%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
KC Konishi Co.: 2 patents #11 of 62Top 20%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
HO Hosiden: 2 patents #123 of 328Top 40%
HH Hitachi High-Technologies: 1 patents #674 of 1,200Top 60%
CA Calsonic: 1 patents #72 of 204Top 40%
DC Delta Kogyo Co.: 1 patents #54 of 132Top 45%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
KA Kao: 1 patents #1,961 of 3,221Top 65%
Kyocera: 1 patents #2,054 of 3,732Top 60%
KC Kyodo Yushi Co.: 1 patents #63 of 191Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
RI Reprocell Incorporated: 1 patents #4 of 20Top 20%
SC Sbi Pharmaceuticals Co.: 1 patents #23 of 80Top 30%
Overall (All Time): #6,321 of 4,157,543Top 1%
148
Patents All Time

Issued Patents All Time

Showing 101–125 of 148 patents

Patent #TitleCo-InventorsDate
6494555 Ink ejecting device 2002-12-17
6491378 Ink jet head, ink jet printer, and its driving method Masahiro Fujii, Yasushi Matsuno 2002-12-10
6481833 Inkjet printer Masahiro Fujii, Yasushi Matsuno 2002-11-19
6474784 Ink-jet head, ink jet printer, and its driving method Masahiro Fujii, Yasushi Matsuno 2002-11-05
6419344 Ink-jet head and ink-jet printer Masahiro Fujii, Yasushi Matsuno 2002-07-16
6371598 Ink jet recording apparatus, and an ink jet head Masahiro Fujii, Shigeo Nojima, Taro Takekoshi 2002-04-16
6350003 Ink droplet ejecting method and apparatus 2002-02-26
6257686 Ink droplet ejecting method and apparatus Yoshikazu Takahashi 2001-07-10
6257685 Ink droplet ejecting method and apparatus 2001-07-10
6254213 Ink droplet ejecting method and apparatus 2001-07-03
6201896 Picture encoding apparatus 2001-03-13
6168263 Ink jet recording apparatus Shigeo Nojima, Masahiro Fujii, Taro Takekoshi 2001-01-02
6139133 Ink jet head for ejecting ink by exerting pressure on ink in ink channels 2000-10-31
6070310 Method for producing an ink jet head Susumu Ito 2000-06-06
6037405 Pigment dispersion and offset printing ink composition using the same Koji Iwase, Hideki Kinoshita, Teruhisa Sato 2000-03-14
6021225 Image processing apparatus 2000-02-01
5909652 Radio communication system and radio communication terminal Takao Uchikura, Katsumi Muroi 1999-06-01
5898448 Ink ejecting device having ink chambers of differing shapes 1999-04-27
5886475 EL element driving circuit and EL element lighting device using the same Sachito Horiuchi 1999-03-23
5853451 Ultrafine spherical nickel powder for use as an electrode of laminated ceramic capacitors 1998-12-29
5849067 Ink compositions for ink-jet recording Tatsurou Tsuchiya, Shigeru Ohtsuka, Masashi Fujiwara 1998-12-15
5847028 Pigment dispersion and offset printing ink composition using the same Koji Iwase, Hideki Kinoshita, Teruhisa Sato 1998-12-08
5818473 Drive method for an electrostatic ink jet head for eliminating residual charge in the diaphragm Masahiro Fujii, Shigeo Nojima, Hiroyuki Maruyama, Atsushi Yamaji 1998-10-06
5770002 Apparatus for assembling a disc-shaped recording medium and a method for assembling disc-shaped recording medium using the apparatus Takatsugu Funawatari, Kenji Takahashi 1998-06-23
5764458 Disk cartridge and a method of manufacturing same Takatsugu Funawatari, Hiroyuki Abe, Kazuo Niizaka 1998-06-09