HN

Hajime Nakao

SE Seiko Epson: 22 patents #789 of 7,774Top 15%
NO Nippon Oil: 7 patents #93 of 773Top 15%
JE Jx Nippon Oil & Energy: 5 patents #48 of 416Top 15%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
FU Fujifilm: 3 patents #1,989 of 4,519Top 45%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
📍 Kawagoe, JP: #16 of 1,278 inventorsTop 2%
Overall (All Time): #67,813 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDate
11279132 Liquid ejecting apparatus Hiroyuki Hagiwara 2022-03-22
11179936 Liquid ejecting head, liquid ejecting apparatus, and piezoelectric device 2021-11-23
10525707 Liquid ejecting head, liquid ejecting apparatus, and piezoelectric device Masao Nakayama, Shunya Fukuda, Eiju Hirai, Shiro Yazaki 2020-01-07
10479078 Liquid ejecting head, liquid ejecting apparatus, and manufacturing method of liquid ejecting apparatus Shunya Fukuda, Motoki Takabe, Eiju Hirai, Akira MIYAGISHI 2019-11-19
10227541 Lubricating oil composition for transmissions Kohei Masuda, Hitoshi Komatsubara 2019-03-12
9701117 Liquid-jet head and liquid-jet apparatus Takaaki Koizumi 2017-07-11
9540587 Lubricating oil composition for transmissions Hitoshi Komatsubara, Kazunori Ishikawa, Katsuhito Yamada 2017-01-10
9505227 Liquid ejecting apparatus with water repellent region Nobuhiko Yamauchi 2016-11-29
9469108 Liquid ejecting head and liquid ejecting apparatus Shunsuke Watanabe 2016-10-18
9387674 Flow path unit and liquid ejecting apparatus equipped with flow path unit Eiji Natori 2016-07-12
9381747 Flow path component, liquid ejecting apparatus, and method for manufacturing flow path component 2016-07-05
9340747 Lubricating oil composition for transmissions Hitoshi Komatsubara 2016-05-17
9272294 Liquid ejecting head and liquid ejecting apparatus Nozomi Ogawa, Isamu Togashi 2016-03-01
9248649 Liquid ejecting head, liquid ejecting apparatus, and method of manufacturing liquid ejecting head Shunsuke Watanabe 2016-02-02
9242463 Liquid-jet head and liquid-jet apparatus Manabu Munakata, Takaaki Koizumi, Masato Komazawa 2016-01-26
9163195 Lubricant composition Shozaburo Konishi, Toshio Yoshida 2015-10-20
9156261 Piezoelectric unit, liquid ejecting head, liquid ejecting apparatus and method of manufacturing piezoelectric unit Eiji Natori 2015-10-13
9150018 Liquid ejecting head and liquid ejecting apparatus 2015-10-06
9120992 Gear oil composition Hitoshi Komatsubara 2015-09-01
9056476 Liquid ejecting apparatus Katsumi Enomoto, Shunsuke Watanabe 2015-06-16
9022526 Liquid ejecting head and liquid ejecting apparatus 2015-05-05
8967771 Liquid ejecting head, liquid ejecting apparatus and method for manufacturing liquid ejecting head 2015-03-03
8833916 Liquid ejecting head and liquid ejecting apparatus Keiji Hara 2014-09-16
8827423 Liquid ejecting head and liquid ejecting apparatus 2014-09-09
8740354 Liquid ejecting head and liquid ejecting apparatus Keiji Hara 2014-06-03