YN

Yoshiyuki Nakagawa

Canon: 111 patents #74 of 19,416Top 1%
FC Funai Electric Co.: 5 patents #204 of 943Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
CC Citizen Watch Co.: 2 patents #460 of 1,225Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
Overall (All Time): #9,443 of 4,157,543Top 1%
123
Patents All Time

Issued Patents All Time

Showing 1–25 of 123 patents

Patent #TitleCo-InventorsDate
12415352 Liquid ejection head, liquid ejection apparatus, and ejection module Naoko Shimizu 2025-09-16
12409651 Liquid ejection module Ayako Iwasaki 2025-09-09
12397552 Liquid ejection head Takuro Yamazaki, Akiko Hammura, Atsushi Teranishi 2025-08-26
12397551 Liquid ejection head Akiko Hammura, Takuro Yamazaki, Atsushi Teranishi 2025-08-26
12384150 Liquid ejection head and liquid ejection apparatus Takuro Yamazaki, Akiko Hammura, Atsushi Teranishi 2025-08-12
12350934 Liquid ejection head and liquid ejection apparatus Ayako Maruyama, Takuro Yamazaki 2025-07-08
12350940 Liquid ejection head Takashi Kato 2025-07-08
12343999 Liquid ejection head and liquid ejection apparatus Kazuhiro Yamada, Toru Nakakubo, Ryo Kasai, Takuro Yamazaki 2025-07-01
12319064 Liquid ejection head, liquid ejection apparatus, and method of supplying liquid Shingo Okushima, Seiichiro Karita, Takatsuna Aoki, Noriyasu Nagai, Eisuke Nishitani 2025-06-03
12122156 Liquid ejection apparatus and determination method for determining ejection state Takashi Kato 2024-10-22
12083797 Liquid ejection module and liquid ejection head Ayako Maruyama 2024-09-10
12070956 Liquid ejecting head and liquid ejecting apparatus Kazuhiro Yamada, Toru Nakakubo, Shingo Okushima 2024-08-27
12064975 Liquid discharge head and liquid discharge method Shintaro Kasai, Shuzo Iwanaga, Akiko Hammura, Koichi Ishida, Takatsugu Moriya 2024-08-20
12064969 Liquid ejection head and liquid ejection apparatus Kazuhiro Yamada, Toru Nakakubo, Ryo Kasai, Takuro Yamazaki 2024-08-20
11970004 Liquid discharge head Tomohiro Sato, Shuzo Iwanaga, Takatsugu Moriya, Koichi Ishida, Shingo Okushima +2 more 2024-04-30
11724495 Liquid ejection module and liquid ejection head Ayako Maruyama 2023-08-15
11712891 Liquid ejection head and liquid ejection apparatus Yoshihiro Hamada, Keiji Tomizawa, Akiko Hammura, Shuzo Iwanaga 2023-08-01
11673396 Liquid ejection head and liquid ejection apparatus Kazuhiro Yamada, Toru Nakakubo, Ryo Kasai, Takuro Yamazaki 2023-06-13
11667132 Liquid discharge head and liquid discharge method Shintaro Kasai, Shuzo Iwanaga, Akiko Hammura, Koichi Ishida, Takatsugu Moriya 2023-06-06
11642891 Liquid ejection head, liquid ejection apparatus, and method of supplying liquid Shingo Okushima, Seiichiro Karita, Takatsuna Aoki, Noriyasu Nagai, Eisuke Nishitani 2023-05-09
11602934 Liquid ejection head, liquid ejection apparatus, and liquid ejection method Kazuhiro Yamada, Takuro Yamazaki, Toru Nakakubo, Ryo Kasai 2023-03-14
11511549 Liquid ejection apparatus, liquid ejection head, and recovery method Naozumi Nabeshima, Kazuhiro Yamada, Yohei Nakamura 2022-11-29
11433666 Liquid ejection head, liquid ejection apparatus, and liquid ejection module Akiko Hammura 2022-09-06
11376863 Liquid ejecting head and liquid ejecting apparatus Kazuhiro Yamada, Toru Nakakubo, Shingo Okushima 2022-07-05
11332409 Optical apparatus and equipment Yoshihisa Kawamura, Hideki Ina, Ryo Yoshida, Yukinobu Suzuki, Koji Hara 2022-05-17