HS

Hiroaki Sakai

SE Seiko Epson: 32 patents #449 of 7,774Top 6%
Canon: 31 patents #1,730 of 19,416Top 9%
NI Ngk Insulators: 16 patents #195 of 2,083Top 10%
HH Hitachi High-Technologies: 10 patents #266 of 1,917Top 15%
Mitsubishi Electric: 9 patents #3,275 of 25,717Top 15%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
KS Kyocera Document Solutions: 3 patents #862 of 1,545Top 60%
MC Mita Industrial Co.: 3 patents #398 of 891Top 45%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
OC Okuno Chemical Industries Co.: 1 patents #25 of 77Top 35%
NT Nagaoka University Of Technology: 1 patents #15 of 81Top 20%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
TC Threebond Co.: 1 patents #61 of 172Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
NC Nippon Air Brake Co.: 1 patents #53 of 107Top 50%
Overall (All Time): #10,108 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 1–25 of 119 patents

Patent #TitleCo-InventorsDate
12296600 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura +3 more 2025-05-13
12076744 Assembly, method for using assembly, applying device, method for using applying device, method for replenishing material 2024-09-03
11938739 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura +3 more 2024-03-26
11639060 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura +3 more 2023-05-02
11179944 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura +3 more 2021-11-23
10889123 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura +3 more 2021-01-12
10717287 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura +3 more 2020-07-21
10267816 Automatic analysis device Mitsuru Oonuma, Hiroyuki Noda, Katsuhiro Kambara 2019-04-23
10184186 Composition for blackening copper-based or silver-based metals Azusa Kita, Joonhaeng Kang 2019-01-22
10009271 Routing method and network transmission apparatus Masahiko Takenaka, Kunikazu Matsumoto, Daisuke Shinomiya, Yutaka Takahashi 2018-06-26
9950546 Recording apparatus Yuichi Honobe 2018-04-24
9889643 Recording device and recording method 2018-02-13
9662894 Ink tank and printer Yoshiyuki Tanaka 2017-05-30
9476806 Sample processing system Yoshiteru Hirama, Hiroshi Ohga, Tatsuya Fukugaki, Kazuma Tamura 2016-10-25
9475316 Printing apparatus with noise supression Kazunori Hiramatsu 2016-10-25
9463655 Recording device and recording method 2016-10-11
9457592 Liquid ejecting apparatus and light source module Kazunori Hiramatsu 2016-10-04
9352577 Ink tank and printer Yoshiyuki Tanaka 2016-05-31
9342637 Consumed power estimation device, electronic device, consumed power estimation method and recording medium Masashi Mori, Yoshinari Sugegaya 2016-05-17
9313130 Routing method and network transmission apparatus Masahiko Takenaka, Kunikazu Matsumoto, Daisuke Shinomiya, Yutaka Takahashi 2016-04-12
9298126 Developing device and image forming apparatus including the same Tamotsu Shimizu, Akihiro Watanabe, Chikara Ishihara, Yasuhiro Tauchi, Masashi Fujishima +3 more 2016-03-29
9292241 Printing apparatus and printing system Koichi Otsuki, Hideki Kato, Shinya Momose 2016-03-22
D751725 Clinical analyzer Mitsuru Oonuma, Hiroyuki Noda, Katsuhiro Kambara 2016-03-15
9285713 Developing device, and image forming apparatus provided with the same Sakae Saito, Yukimasa Watanabe, Yasuhiro Oishi, Masashi Fujishima, Chikara Ishihara +1 more 2016-03-15
9254681 Textile-printing apparatus 2016-02-09