HO

Hirofumi Okuhara

Canon: 25 patents #2,400 of 19,416Top 15%
Overall (All Time): #160,675 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12049086 Inkjet printer Masatomo Ojima, Tatsuo Nanjo, Chiaki Muraoka 2024-07-30
11975543 Liquid replenishing system Takanori Yashiro, Chiaki Muraoka, Tatsuo Nanjo, Kazumasa Matsushita, Yuji Tamaru 2024-05-07
11794481 Inkjet printer Masatomo Ojima, Tatsuo Nanjo, Chiaki Muraoka 2023-10-24
11623453 Liquid storage container and liquid ejection apparatus Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita +6 more 2023-04-11
11458734 Inkjet printer Masatomo Ojima, Tatsuo Nanjo, Chiaki Muraoka 2022-10-04
11298945 Liquid replenishing system Takanori Yashiro, Chiaki Muraoka, Tatsuo Nanjo, Kazumasa Matsushita, Yuji Tamaru 2022-04-12
11294606 Print system including a learned model to select a printer Yasuhiro Numata 2022-04-05
11192383 Liquid storage container and liquid ejection apparatus Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita +6 more 2021-12-07
11117380 Liquid ejection apparatus and method of controlling liquid ejection apparatus Yuji Tamaru, Kazumasa Matsushita, Chiaki Muraoka 2021-09-14
10843474 Liquid container unit and recording apparatus Atsushi Arai, Tomoki Yamamuro, Tatsuaki Orihara, Takeho Miyashita, Kazuya Yoshii +6 more 2020-11-24
10618300 Liquid storage container and liquid ejection apparatus Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita +6 more 2020-04-14
10611162 Liquid container and liquid ejection apparatus Norihiro Ikebe, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Takeho Miyashita +6 more 2020-04-07
10538092 Liquid supplying mechanism, and liquid ejection apparatus Takeho Miyashita, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe +6 more 2020-01-21
10427412 Liquid ejecting apparatus and liquid refilling container Kyoshiro Okude, Masateru Komori, Masato Koshimizu, Tsuyoshi Saeki, Yukimichi Kimura +14 more 2019-10-01
10399346 Liquid container unit and recording apparatus Atsushi Arai, Tomoki Yamamuro, Tatsuaki Orihara, Takeho Miyashita, Kazuya Yoshii +6 more 2019-09-03
10399347 Liquid supplying mechanism, and liquid ejection apparatus Takeho Miyashita, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe +6 more 2019-09-03
10223624 Notification device, notification method, and printing apparatus Tomoki Yamamuro, Atsushi Arai, Tatsuaki Orihara, Ryo Shimamura, Akira Shiba +6 more 2019-03-05
10112403 Liquid container and liquid ejection apparatus Norihiro Ikebe, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Takeho Miyashita +6 more 2018-10-30
10093105 Liquid storage container and liquid ejection apparatus Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita +6 more 2018-10-09
9914305 Liquid storage container unit Tatsuaki Orihara, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe +6 more 2018-03-13
7448740 Inkjet cartridge Naohito Asai, Nobuyuki Matsumoto, Yasushi Iijima 2008-11-11
6505923 Liquid supply system, liquid supply container and negative pressure generating member container used for the same system, and ink jet recording apparatus using the same system Hajime Yamamoto, Sadayuki Sugama, Shozo Hattori, Eiichiro Shimizu, Hiroshi Koshikawa +3 more 2003-01-14
6402308 Liquid supply system and liquid supply vessel used for the same Shozo Hattori, Sadayuki Sugama, Hajime Yamamoto, Tomoyuki Kaneda 2002-06-11
6345888 Liquid supply method, system, ink container, cartridge and replenishing container and head cartridge usable with system Hidehisa Matsumoto, Shozo Hattori, Hiroyuki Ishinaga, Tomoyuki Kaneda 2002-02-12
5831652 Member and method for protecting ink tank Jun Hinami, Sadayuki Sugama 1998-11-03