MN

Masao Nakayama

SE Seiko Epson: 55 patents #163 of 7,774Top 3%
TO Toyota: 11 patents #2,600 of 26,838Top 10%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
FC Fuji Electric Co.: 5 patents #458 of 2,643Top 20%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
Tdk: 2 patents #1,902 of 3,796Top 55%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NJ Nuvoton Technology Corporation Japan: 1 patents #117 of 222Top 55%
TC Toho Kinzoku Co.: 1 patents #3 of 21Top 15%
JV Jvckenwood: 1 patents #386 of 736Top 55%
Overall (All Time): #15,301 of 4,157,543Top 1%
97
Patents All Time

Issued Patents All Time

Showing 1–25 of 97 patents

Patent #TitleCo-InventorsDate
12310242 Piezoelectric element and liquid ejection head Yasuaki Hamada, Tomohiro Sakai, Toshihiro Shimizu 2025-05-20
12219876 Method for producing piezoelectric actuator Harunobu KOIKE, Takanori Aimono, Motoki Takabe, Koji Sumi, Yasuhiro ITAYAMA +1 more 2025-02-04
12138926 Piezoelectric substrate, piezoelectric element and liquid ejection head Yasuaki Hamada, Tomohiro Sakai, Toshihiro Shimizu 2024-11-12
12023929 Liquid ejecting head, liquid ejecting apparatus, and actuator Harunobu KOIKE, Tatsuo Sawasaki, Chihiro Nishi, Toshihiro Shimizu, Yasushi Yamazaki 2024-07-02
12017456 Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method of manufacturing piezoelectric device Harunobu KOIKE, Tatsuo Sawasaki, Toshihiro Shimizu, Chihiro Nishi 2024-06-25
11938731 Piezoelectric device and liquid ejecting head Harunobu KOIKE, Toshihiro Shimizu, Yasushi Yamazaki, Osamu Tonomura, Tatsuo Sawasaki +1 more 2024-03-26
11878526 Liquid ejecting head and liquid ejecting apparatus Osamu Tonomura 2024-01-23
11858270 Liquid ejection head, liquid ejection apparatus, piezoelectric device, and method for manufacturing piezoelectric device Toshihiro Shimizu, Harunobu KOIKE, Takanori Aimono, Tatsuo Sawasaki, Chihiro Nishi +3 more 2024-01-02
11766864 Liquid ejecting head, liquid ejecting apparatus, and actuator Harunobu KOIKE, Tatsuo Sawasaki, Chihiro Nishi, Toshihiro Shimizu, Yasushi Yamazaki 2023-09-26
11701885 Liquid ejecting head, liquid ejecting apparatus, and actuator Harunobu KOIKE, Toshihiro Shimizu, Yasushi Yamazaki 2023-07-18
11691416 Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus Yasuaki Hamada, Shunsuke Yoshida, Yasuhiro ITAYAMA, Toshihiro Shimizu 2023-07-04
11571891 Liquid discharge head Harunobu KOIKE, Koji Sumi 2023-02-07
11565524 Liquid ejecting head and liquid ejecting apparatus Takanori Aimono, Eiju Hirai, Junichi Karasawa, Yoshihiro Hokari 2023-01-31
11331916 Liquid ejecting head and liquid ejecting apparatus Harunobu KOIKE, Toshihiro Shimizu 2022-05-17
11195904 High-frequency transistor Kouki Yamamoto, Masatoshi Kamitani, Shingo Matsuda, Hiroshi Sugiyama, Kaname Motoyoshi 2021-12-07
11173715 Liquid discharge head and printer Harunobu KOIKE, Takanori Aimono, Motoki Takabe, Koji Sumi, Yasuhiro ITAYAMA 2021-11-16
11020973 Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and manufacturing method of piezoelectric device Yasuhiro ITAYAMA, Naoto Yokoyama, Eiju Hirai, Motoki Takabe 2021-06-01
10913272 Liquid ejecting head and liquid ejecting apparatus Satoshi Takemoto, Eiju Hirai, Naoto Yokoyama, Osamu Tonomura 2021-02-09
10850515 Liquid ejecting head and liquid ejecting apparatus Takanori Aimono, Motoki Takabe, Hitoshi TAKAAI 2020-12-01
10773523 Liquid discharge head, liquid discharge apparatus, and piezoelectric device Osamu Tonomura, Eiju Hirai 2020-09-15
10756165 High-frequency transistor Kouki Yamamoto, Masatoshi Kamitani, Shingo Matsuda, Hiroshi Sugiyama, Kaname Motoyoshi 2020-08-25
10751996 Piezoelectric device, liquid ejecting head, and liquid ejecting apparatus Motoki Takabe, Takanori Aimono, Takashi Kasahara 2020-08-25
10737493 Piezoelectric device, liquid ejecting head, and liquid ejecting apparatus Naoto Yokoyama, Eiju Hirai 2020-08-11
10618283 Piezoelectric device, liquid discharge head, and liquid discharge apparatus Takashi Kasahara, Takeshi Saito, Yoshihiro Hokari, Toshihiro Shimizu, Naoto Yokoyama 2020-04-14
10562302 Liquid ejecting head, liquid ejecting apparatus, and piezoelectric device Naoto Yokoyama, Eiju Hirai 2020-02-18