HK

Hiroshi Koshikawa

Canon: 71 patents #316 of 19,416Top 2%
JA Japan Atomic Energy Agency: 1 patents #64 of 251Top 30%
DC Daihatsu Motor Co.: 1 patents #84 of 248Top 35%
NS National Institute For Environmental Studies: 1 patents #4 of 20Top 20%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
KC Kyoraku Co.: 1 patents #76 of 136Top 60%
Overall (All Time): #24,642 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 25 most recent of 76 patents

Patent #TitleCo-InventorsDate
12358298 Liquid ejection apparatus Akane Hisanaga, Hiroshi Yamada 2025-07-15
12203859 Device for detecting contamination with photosynthesis inhibitor and method for detecting contamination with photosynthesis inhibitor Masanobu Kawachi, Shigeshi Fuchida, Shuhei OTA, Tetsuya Miwa, Yasuo Furushima +1 more 2025-01-21
12145377 Liquid ejection apparatus 2024-11-19
12145378 Liquid ejection apparatus 2024-11-19
12115795 Liquid supply apparatus, liquid storage tank, and liquid ejecting apparatus Yasunori Takei, Hiroki Hayashi 2024-10-15
11660873 Liquid ejection apparatus Hiroki Hayashi, Hiroshi Yamada, Yasunori Takei 2023-05-30
D982073 Ink bottle for refilling printer cartridges Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai, Manabu Ohara, Shoki Takiguchi 2023-03-28
11472191 Liquid supply apparatus, liquid storage tank, and liquid ejecting apparatus Yasunori Takei, Hiroki Hayashi 2022-10-18
11383519 Liquid storage bottle and method of manufacturing the same Manabu Ohara, Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai, Shoki Takiguchi 2022-07-12
11273648 Liquid storage bottle and method for manufacturing the same Noriyasu Nagai, Kenta Udagawa, Hiroki Hayashi, Manabu Ohara, Shoki Takiguchi 2022-03-15
D936140 Cap for ink bottle for refilling printer cartridges Manabu Ohara, Hitomi Ogasawara, Noriyasu Nagai, Akihisa Shiozaki, Kenta Udagawa +2 more 2021-11-16
D936141 Nozzle for ink bottle for refilling printer cartridges Manabu Ohara, Shoki Takiguchi, Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai 2021-11-16
11111061 Liquid storage bottle Noriyasu Nagai, Kenta Udagawa, Hiroki Hayashi, Manabu Ohara, Shoki Takiguchi 2021-09-07
11090944 Liquid storage bottle Shoki Takiguchi, Kenta Udagawa, Hiroki Hayashi, Noriyasu Nagai, Manabu Ohara 2021-08-17
D925647 Ink bottle for refilling printer cartridges Hitomi Ogasawara, Manabu Ohara, Shoki Takiguchi, Akihisa Shiozaki, Hiroki Hayashi +2 more 2021-07-20
10994548 Liquid reservoir container and liquid ejection apparatus Keisuke Iinuma, Kenta Udagawa, Tatsuo Nanjo 2021-05-04
10967643 Liquid ejecting apparatus Tatsuo Nanjo, Kenta Udagawa, Keisuke Iinuma 2021-04-06
10618293 Liquid replenishment container and liquid replenishment system Kenta Udagawa 2020-04-14
D869550 Nozzle cap for ink bottle for printer Kazuya Yoshii, Yasuo Kotaki, Kenta Udagawa, Wataru Takahashi, Koichi Kubo +8 more 2019-12-10
10207511 Ink cartridge and ink jet printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Wataru Takahashi, Koichi Kubo +7 more 2019-02-19
D816158 Ink bottle for printer Kazuya Yoshii, Yasuo Kotaki, Kenta Udagawa, Wataru Takahashi, Koichi Kubo +8 more 2018-04-24
9908338 Liquid storage bottle, liquid storage bottle package, and method of manufacturing liquid storage bottle package Yasuo Kotaki, Kenta Udagawa, Wataru Takahashi, Koichi Kubo, Naozumi Nabeshima +3 more 2018-03-06
9840082 Ink cartridge and ink jet printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Wataru Takahashi, Koichi Kubo +7 more 2017-12-12
9821562 Ink cartridge and ink jet printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Wataru Takahashi, Koichi Kubo +7 more 2017-11-21
9708453 Method for producing porous polymer film and porous polymer film Satoru Furuyama, Yozo Nagai, Junichi Moriyama, Yosuke Yuri, Takahiro Yuyama +6 more 2017-07-18