HS

Hiroki Sekiguchi

IC Idemitsu Kosan Co.: 13 patents #105 of 1,237Top 9%
TI Toray Industries: 4 patents #687 of 3,690Top 20%
NC Nihon Dempa Kogyo Co.: 2 patents #136 of 296Top 50%
Overall (All Time): #231,241 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12394039 Lubricating oil degradation evaluation system and lubricating oil degradation evaluation method Genki OKUYAMA 2025-08-19
11296674 Quartz crystal device Akihiro Sakanashi 2022-04-05
11198834 Grease composition Go Watanabe 2021-12-14
11028335 Grease composition, method for manufacturing grease composition, and method for using grease composition Akihiro Shishikura, Tomonobu Takada, Asami KOGA, Go Watanabe, Harutomo Ikeda 2021-06-08
10934482 Color conversion composition, color conversion sheet, and light-emitting body, lighting device, backlight unit, and display each including same Yuichiro Iguchi, Ryo Nagase 2021-03-02
10266787 Grease composition Yukitoshi Fujinami, Yusuke Nakanishi, Kouji Takane 2019-04-23
10240103 Grease composition for bearing Kouji Takane, Yukitoshi Fujinami, Yusuke Nakanishi, Yoshiyuki Suetsugu 2019-03-26
9340743 Metallurgical lubricant powder and metal powder composition Akihiro Shishikura, Nobuhide Tanino 2016-05-17
9321046 Recovery method and recycling method for boron trifluoride complex Sumihiro Oda, Masashi Machida, Yukio Yoshida, Toshiyuki Tsubouchi 2016-04-26
9273264 Ester compound, lubricant base oil, lubricant, grease base oil, and grease Yoshio Hironaka 2016-03-01
9156751 Lubricating oil composition and lubricating oil composition for continuously variable transmission Toshiyuki Tsubouchi, Sumihiro Oda, Hidetoshi Koga 2015-10-13
9117979 Phosphor sheet, LED and light emitting device using the same and method for manufacturing LED Nobuo Matsumura, Yutaka Ishida, Kazunari Kawamoto, Kazuki Goto, Takao Kitagawa +3 more 2015-08-25
8686621 Piezoelectric devices and methods for manufacturing the same 2014-04-01
8642895 Substrate with transparent conductive layer and method for producing the same, and touch panel using the same Junji Mata, Jun Tsukamoto 2014-02-04
8617418 Conductive film removal agent and conductive film removal method Junji Mata 2013-12-31
8338653 Lubricating oil for non-stage transmission Yukio Yoshida, Sumihiro Oda, Toshiyuki Tsubouchi, Hidetoshi Koga 2012-12-25
7964540 Lube base oil and lubricating oil composition Yukio Yoshida, Toshiyuki Tsubouchi, Hidetoshi Koga 2011-06-21
7235509 Processes for the recovery and recycling of boron trifluoride or complexes thereof Yoshio Hironaka, Yukio Yoshida, Toshiyuki Tsubouchi 2007-06-26
6756343 Triketone derivatives and herbicide Masatoshi Saitou, Shinichiro OGAWA 2004-06-29