YH

Yasuyuki Hirai

Canon: 18 patents #3,676 of 19,416Top 20%
HC Hitachi Chemical Company: 7 patents #228 of 1,946Top 15%
MC Mita Industrial Co.: 7 patents #201 of 891Top 25%
SD Steelcase Development: 4 patents #110 of 472Top 25%
KM Kyocera Mita: 4 patents #152 of 763Top 20%
AD Advantest: 1 patents #714 of 1,193Top 60%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
📍 Yokohama, MI: #19 of 57 inventorsTop 35%
Overall (All Time): #73,604 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
6685308 Image forming apparatus Masahito Yoshida, Hiroyuki Inoue, Takashi Nojima, Shusuke Inamura, Yasufumi Tanaami +2 more 2004-02-03
6663233 Inkjet printing apparatus and ink supplying method Naoji Otsuka, Hiroyuki Inoue, Masahito Yoshida, Takashi Nojima, Hitoshi Sugimoto +5 more 2003-12-16
6523821 Paper feeder apparatus for use with image forming apparatus Nobuyuki Kashiwagi, Masami Fuchi, Yoshihiro Yamaguchi, Yukio Hashimoto, Masaki Higashiyama 2003-02-25
6430388 Image forming machine having finisher for different length sheets Hiroshi Kusumoto, Kiyonori Yamamoto, Yukio Hashimoto 2002-08-06
6267064 Laboratory furniture unit Hubert L. Ostertag, Jay D. Bargmann, David R. Appel, George J. Simons, Jr., Mark A. Buchalter +1 more 2001-07-31
6250019 Furniture arrangement configured to support overhead utilities and lighting George J. Simons, Jr., Mark A. Buchalter, Howard M. Montgomery, Gregory M. Tanis 2001-06-26
D437708 Furniture unit Jay D. Bargmann, Hubert L. Ostertag, David R. Appel, George J. Simons, Jr., Mark A. Buchalter +1 more 2001-02-20
6005064 Thermosetting compounds, cured product thereof and method of preparing the thermosetting compound Teruki Aizawa, Yukio Yoshimura 1999-12-21
5945222 Thermosetting resin composition, cured product, prepreg, metal-clad laminate and wiring board Hideo Nagase, Teruki Aizawa, Yoshihiko Sato 1999-08-31
5895139 Image forming device with a printer unit and a copying unit Toshiyuki Osaka, Tetsuro Kawashima, Yoshihiro Ueda, Hideki Takeda, Takeshi Okuda +3 more 1999-04-20
5761586 Developing device for image forming apparatus, toner container insertable into the developing device, and image forming apparatus provided therewith Tetsuro Kawashima 1998-06-02
5378984 EB type IC tester Tsuguo Kurata 1995-01-03
5363177 Method of stripping a sealing member from a toner cartridge Kuniaki Nakano, Masahiro Higashitani, Yasuhiro Matsuo, Shingo Mori, Hiromi Sakata +2 more 1994-11-08
5337125 Toner feeding device Kuniaki Nakano, Kunio Nakai, Masahiro Sako, Shigeo Kurando, Minoru Kishigami +5 more 1994-08-09
5294963 Toner cartridge having opening for discharging toner sealed with sealing member and method of stripping sealing member Kuniaki Nakano, Masahiro Higashitani, Yasuhiro Matsuo, Shingo Mori, Hiromi Sakata +2 more 1994-03-15
5142335 Electrostatic latent image-developing device and toner cartridge used therefor Hiromi Sakata, Toshinori Nishimura, Yasuyuki Ishiguro, Shingo Mori 1992-08-25
5136341 Image forming apparatus having means for coordinating the input and discharge of copy paper Yoshinobu Takemura, Kazuhiro Morimoto, Masahiro Higashitani, Mitsuru Adachi, Yasuhiro Matsuo +7 more 1992-08-04