HK

Hiroshi Katayama

Brother Kogyo: 38 patents #186 of 2,767Top 7%
HI Hitachi: 28 patents #1,022 of 28,497Top 4%
SO Sony: 18 patents #2,315 of 25,231Top 10%
SC Shikoku Kakoki Co.: 10 patents #10 of 103Top 10%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
Sharp Kabushiki Kaisha: 7 patents #2,322 of 10,731Top 25%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%
DP Daicel Polymer: 3 patents #2 of 31Top 7%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
YE Yaskawa Electric: 1 patents #557 of 1,006Top 60%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
JC Japan Servo Co.: 1 patents #92 of 161Top 60%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
DE Denso: 1 patents #6,940 of 11,792Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #7,993 of 4,157,543Top 1%
133
Patents All Time

Issued Patents All Time

Showing 1–25 of 133 patents

Patent #TitleCo-InventorsDate
12382743 Solid-state imaging device with enhanced pixel structure and light shielding region for improving image quality 2025-08-05
12270943 Light receiving element, distance measurement module, and electronic device 2025-04-08
12122900 Electromagnetic wave shielding molded article Takafumi Ueda, Hirotomo Katano 2024-10-22
12039399 Optical symbol, information processing device, and code reading method Mina Tsukahara 2024-07-16
11930287 Imaging element and electronic device 2024-03-12
11813865 Liquid discharging head Keita Sugiura, Jiro Yamamoto, Shotaro Kanzaki, Taisuke Mizuno 2023-11-14
11685158 Liquid ejection head Keita Hirai, Shohei Koide, Keita Sugiura 2023-06-27
11673389 Liquid discharge head Shohei Koide, Keita Hirai, Keita Sugiura 2023-06-13
11660864 Liquid discharging head Shotaro Kanzaki, Jiro Yamamoto, Keita Sugiura, Taisuke Mizuno 2023-05-30
11618256 Liquid ejection head Jiro Yamamoto, Shohei Koide, Keita Hirai, Keita Sugiura 2023-04-04
11565522 Head module Keita Hirai, Shohei Koide, Keita Sugiura 2023-01-31
11515644 Electromagnetic wave shielding and absorbing molded article Takafumi Ueda, Hirotomo Katano 2022-11-29
11491786 Liquid discharge head Jiro Yamamoto, Keita Sugiura, Taisuke Mizuno, Shotaro Kanzaki 2022-11-08
11479040 Liquid discharging head Shotaro Kanzaki, Jiro Yamamoto, Keita Sugiura, Taisuke Mizuno 2022-10-25
11446930 Liquid jetting apparatus Keita Sugiura, Shohei Koide, Jiro Yamamoto 2022-09-20
11433672 Liquid discharge head Shotaro Kanzaki, Jiro Yamamoto, Taisuke Mizuno, Keita Sugiura 2022-09-06
11413868 Liquid discharge head Shohei Koide, Keita Sugiura, Keita Hirai 2022-08-16
11345146 Liquid discharge head Keita Sugiura, Shohei Koide, Keita Hirai 2022-05-31
11338582 Liquid discharge apparatus and image recording apparatus including the same Shohei Koide, Keita Hirai, Keita Sugiura 2022-05-24
11331906 Liquid discharge head and liquid discharge apparatus Shohei Koide, Keita Hirai, Keita Sugiura 2022-05-17
11305532 Liquid ejection head Keita Hirai, Shohei Koide, Keita Sugiura 2022-04-19
11285726 Liquid ejection head and liquid ejection apparatus Keita Hirai, Shohei Koide, Keita Sugiura 2022-03-29
11285720 Liquid discharging head Keita Sugiura, Jiro Yamamoto, Shotaro Kanzaki, Taisuke Mizuno 2022-03-29
11273644 Liquid discharge head Taisuke Mizuno, Jiro Yamamoto, Shotaro Kanzaki, Keita Sugiura 2022-03-15
11273637 Liquid ejection head Keita Hirai, Shohei Koide, Keita Sugiura 2022-03-15