HK

Hiroyuki Kai

SC Shionogi & Co.: 47 patents #2 of 1,054Top 1%
NE Nec: 5 patents #2,830 of 14,502Top 20%
TU Tohoku University: 5 patents #109 of 1,680Top 7%
DC Dowa Holdings Co.: 4 patents #3 of 77Top 4%
DL Denki Kogyo Company, Limited: 1 patents #7 of 32Top 25%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
FC Fujikura Kasei Co.: 1 patents #36 of 92Top 40%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
TC Thk Co.: 1 patents #245 of 450Top 55%
Overall (All Time): #40,051 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 1–25 of 59 patents

Patent #TitleCo-InventorsDate
12312327 Crystal of 1,3,5-triazine derivative or solvate thereof and method for producing same Yuki Murakami 2025-05-27
11685740 Bicyclic nitrogen-containing heterocyclic derivatives and pharmaceutical composition comprising the same Koji Masuda, Shuichi Sugiyama, Toru Yamada, Eiichi Kojima, Tomoyuki Ogawa +1 more 2023-06-27
11192111 Droplet collection device 2021-12-07
11124486 6-membered heterocyclic derivatives and pharmaceutical composition comprising the same Tomoyuki Ogawa, Keiichiro HIRAI 2021-09-21
11066409 Bicyclic nitrogen-containing heterocyclic derivatives and pharmaceutical composition comprising the same Koji Masuda, Shuichi Sugiyama, Toru Yamada, Eiichi Kojima, Tomoyuki Ogawa +1 more 2021-07-20
10774051 6-membered heterocyclic derivatives and pharmaceutical composition comprising the same Tomoyuki Ogawa, Keiichiro HIRAI 2020-09-15
10422014 Heat-treatment device and heat-treatment method Junzo Shimbe, Hiroshi Nakabayashi, Takayuki Sakanoue, Kazuki Yoshiya, Shuji Masubuchi +1 more 2019-09-24
10256464 Method for producing negative electrode active material for lithium ion secondary battery Norihiro Shimoi, Kazuyuki Tohji, Yasumitsu Tanaka, Qiwu Zhang 2019-04-09
10065941 Aminotriazine derivative and pharmaceutical composition comprising the same 2018-09-04
10044033 Negative electrode active material for lithium ion secondary battery Norihiro Shimoi, Kazuyuki Tohji, Yasumitsu Tanaka, Qiwu Zhang 2018-08-07
9732060 Aminotriazine derivative and pharmaceutical composition comprising the same 2017-08-15
9718790 Triazine derivative and pharmaceutical composition having an analgesic activity comprising the same Tohru HORIGUCHI, Kentaro Asahi, Yasuhiko Fujii 2017-08-01
9688643 Triazine derivative and pharmaceutical composition comprising the same Takayuki Kameyama, Tsuyoshi Hasegawa, Miho Oohara, Yukio Tada, Takeshi Endoh 2017-06-27
9634327 Negative electrode active material for lithium ion secondary battery, method for producing the same, negative electrode, and battery Norihiro Shimoi, Kazuyuki Tohji, Yasumitsu Tanaka, Qiwu Zhang 2017-04-25
9550763 Heterocyclic ring and carbocyclic derivative Satoru Tanaka, Yoshiharu Hiramatsu, Azusa NOZU, Ken'ichioh Nakamura 2017-01-24
9512238 Cellulose resin and method for producing the same Masatoshi Iji, Sungil Moon, Shukichi Tanaka 2016-12-06
9324556 Field electron emission film, field electron emission device, light emission device, and method for producing them Norihiro Shimoi, Kazuyuki Tohji, Yasumitsu Tanaka 2016-04-26
9212130 Heterocyclic derivative and pharmaceutical composition comprising the same Takeshi Endoh, Sae Jikihara, Tohru HORIGUCHI 2015-12-15
9150546 Triazine derivative and pharmaceutical composition comprising the same Takayuki Kameyama, Tsuyoshi Hasegawa, Miho Oohara, Yukio Tada, Takeshi Endoh 2015-10-06
8962778 Cellulose resin and method for producing the same Masatoshi Iji, Sungil Moon, Shukichi Tanaka 2015-02-24
8916699 Cellulose resin and method for producing the same Masatoshi Iji, Sungil Moon, Shukichi Tanaka 2014-12-23
8575197 Pyrolinone derivative and pharmaceutical composition comprising the same Yoshiyuki Taoda, Takeshi Endoh, Kentaro Asahi, Hiroyuki Tobinaga 2013-11-05
8507095 Metal oxide-based fine particle and method for manufacturing the same, and resin composition Masatoshi Iji, Naoki Morishita 2013-08-13
8497263 Pyrrolinone derivative and pharmaceutical composition comprising the same Shunji Shinohara, Takayuki Kameyama 2013-07-30
8329849 Organic silicon compound and material for forming silica-based fine particle Masatoshi Iji, Naoki Morishita 2012-12-11