KF

Kenji Fujii

Canon: 54 patents #619 of 19,416Top 4%
SK Shonan Gosei-Jushi Seisakusho K.K.: 33 patents #4 of 21Top 20%
OC Omron Healthcare Co.: 21 patents #27 of 475Top 6%
Rohm Co.: 15 patents #170 of 2,292Top 8%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
OM Omron: 6 patents #499 of 3,089Top 20%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
ST Strapack: 2 patents #13 of 27Top 50%
NK Nippon Kogaku K.K.: 2 patents #156 of 382Top 45%
OU Osaka City University: 1 patents #33 of 71Top 50%
IL Isuzu Motors Limited: 1 patents #414 of 908Top 50%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
TC Thk Co.: 1 patents #245 of 450Top 55%
TS Toshiba Medical Systems: 1 patents #656 of 1,088Top 65%
TC Toyo Machinery & Metal Co.: 1 patents #16 of 31Top 55%
📍 Yokohama, JP: #49 of 480 inventorsTop 15%
Overall (All Time): #6,126 of 4,157,543Top 1%
151
Patents All Time

Issued Patents All Time

Showing 1–25 of 151 patents

Patent #TitleCo-InventorsDate
12427769 Recording element substrate and method of manufacturing the same Takanobu Manabe, Junichiro Iri, Hiroyuki Murayama, Satoshi Ibe, NARUMI SHINOHARA 2025-09-30
12400988 Semiconductor device with semiconductor element and plural first and second leads 2025-08-26
12171530 Pulse transit time measuring apparatus and blood pressure measuring apparatus Yasuhiro Kawabata, Naomi Matsumura, Reiji Fujita, Akito ITO 2024-12-24
12168260 Method, method of manufacturing liquid discharge head, and liquid discharge head Masatoshi Ohira, Masato Takikawa, Naoki Nakajo 2024-12-17
12138021 Biometric data measurement system and biometric data measurement method Yasuhiro Kawabata, Naomi Matsumura, Reiji Fujita, Akito ITO 2024-11-12
11963778 Belt and electrocardiogrameasurement device Reiji Fujita, Yasuhiro Kawabata, Naomi Matsumura, Akito ITO 2024-04-23
11842971 Semiconductor device with electrodes having a columnar portion 2023-12-12
11624675 Water leakage detection method, water leakage detection apparatus, and vibration sensor terminal Satoru Hori 2023-04-11
11622694 Pulse wave measurement device, pulse wave measurement method, and blood pressure measurement device Naomi Matsumura, Kentaro Mori, Naoki Matsumoto, Yasuhiro Kawabata 2023-04-11
11369276 Blood pressure measurement device Yasuhiro Kawabata, Naomi Matsumura, Reiji Fujita, Akito ITO 2022-06-28
11317818 Blood pressure measurement device and blood pressure measurement method Naoki Matsumoto, Yuki Kato 2022-05-03
11257777 Semiconductor device 2022-02-22
11110706 Liquid ejecting head and method of manufacturing liquid ejecting head Yusuke Hashimoto, Takanobu Manabe 2021-09-07
11027547 Liquid ejection head Yusuke Hashimoto, Hiroyuki Murayama 2021-06-08
10981392 Liquid ejection head and method of manufacturing liquid ejection head Toshiaki Kurosu, Takanobu Manabe 2021-04-20
10865675 Particulate matter (PM) sensor for detecting quantity of PM in exhaust gas from e.g. diesel engine Takayuki Furukawa, Tadashi Uchiyama, Kazuo Ohsumi, Keisuke Nakamura 2020-12-15
10861703 Method of manufacturing substrate and semiconductor device Hirohisa Fujita, Satoshi Ibe, Makoto Watanabe, Shuhei Oya, Yusuke Hashimoto 2020-12-08
10750988 Fatigue degree determination device, and fatigue degree determination method Shingo Yamashita, Yasuyoshi Watanabe, Kei MIZUNO 2020-08-25
10646124 Pulse measurement device, pulse measurement method, and pulse measurement program Shigemi Kamegawa 2020-05-12
10625506 Method for manufacturing liquid discharge head Kazuhiro Asai, Keiji Matsumoto, Koji Sasaki, Kunihito Uohashi, Jun Yamamuro +3 more 2020-04-21
10539226 Input device for transmission 2020-01-21
10500861 Method for manufacturing liquid ejection head Kunihito Uohashi, Shingo Nagata, Jun Yamamuro, Koji Sasaki, Keiji Matsumoto +4 more 2019-12-10
10442201 Method for manufacturing liquid ejection head Satoshi Ibe, Yusuke Hashimoto, Shuhei Oya, Hirohisa Fujita 2019-10-15
10343406 Liquid ejection head manufacturing method Keiji Matsumoto, Jun Yamamuro, Kazuhiro Asai, Koji Sasaki, Kunihito Uohashi +6 more 2019-07-09
10322584 Method for manufacturing liquid ejection head Jun Yamamuro, Kazuhiro Asai, Keiji Matsumoto, Koji Sasaki, Kunihito Uohashi +6 more 2019-06-18