Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yasuhiro Kubo — 49 Patents

CHChisso: 35 patents #16 of 833Top 2%
CPChisso Petrochemical: 18 patents #3 of 139Top 3%
OCOtsuka Pharmaceutical Co.: 7 patents #120 of 1,273Top 10%
OCOtsuka Electronics Co.: 2 patents #24 of 80Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
JNJnc: 2 patents #140 of 413Top 35%
JPJnc Petrochemical: 2 patents #68 of 122Top 60%
SASanden: 1 patents #336 of 631Top 55%
Chiba, JP: #111 of 6,266 inventorsTop 2%
Overall (All Time): #55,592 of 4,157,543Top 2%
49 Patents All Time
Yasuhiro Kubo has been granted 49 US patents while listed as an inventor at Chisso. The first was granted in 1986 and the most recent in March 2017. Yasuhiro Kubo ranks #55,592 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Yasuhiro Kubo in Chiba, JP.

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9591992 Method of exhaled gas measurement and analysis and apparatus therefor Masaaki Mori 2017-03-14
9316882 Liquid crystal panel Shigeru Kibe, Toshiki Asakura 2016-04-19
9261740 Liquid crystal panel Shigeru Kibe, Toshiki Asakura 2016-02-16
7749436 Gas injection amount determining method in isotope gas analysis, and isotope gas analyzing and measuring method and apparatus Masaaki Mori, Yasushi Zasu, Masayuki Tani, Tamotsu Hamao 2010-07-06
7674508 Liquid crystal composition and liquid crystal display device 2010-03-09
7563492 Liquid crystal composition and liquid crystal display device Motoki Yanai, Hiroaki Kawashukuda, Shuichi Goto 2009-07-21
7452576 Liquid crystal composition and liquid crystal display device 2008-11-18
7081279 Alkenyl compound having a negative Δε value, liquid crystal composition, and liquid crystal display device Takashi Kato, Tomoyuki Kondo, Henry Bernhardt, Shuichi Matsui, Hiroyuki Takeuchi +2 more 2006-07-25
6940083 Isotopic gas analyzer and method of judging absorption capacity of carbon dioxide absorbent Masaaki Mori, Masahiko Miyoshi, Tamotsu Hamao, Hiroaki Mizui 2005-09-06
6864397 Difluoromethyl ether derivative and process for producing the same Tomoyuki Kondo, Kouki Sagou, Shuichi Matsui, Hiroyuki Takeuchi, Etsuo Nakagawa 2005-03-08
6857031 DMA transfer method 2005-02-15 $239,000
6844032 Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices Kazutoshi Miyazawa, Takashi Kato, Kanetsugu Terashima 2005-01-18
6827876 Difluoromethyl ether derivative and process for producing the same Tomoyuki Kondo, Kouki Sagou, Shuichi Matsui, Hiroyuki Takeuchi, Etsuo Nakagawa 2004-12-07
6759102 Liquid crystal compositions and liquid crystal display devices Katsuyuki Murashiro 2004-07-06
6703083 Silicon compound, liquid crystal composition and liquid crystal display Takashi Kato, Yasuyuki Koizumi, Kanetsugu Terashima 2004-03-09
6692657 Alkenyl compound having a negative &Dgr;&egr; value, liquid crystal composition, and liquid crystal display device Takashi Kato, Tomoyuki Kondo, Henry Bernhardt, Shuichi Matsui, Hiroyuki Takeuchi +2 more 2004-02-17
6682784 Liquid crystal compositions and liquid crystal display devices Kanetsugu Terashima 2004-01-27
6649227 Difluorovinyl compound, liquid crystal composition and liquid crystal display Takashi Kato, Shuichi Matsui, Hiroyuki Takeuchi, Etsuo Nakagawa 2003-11-18
6641872 Liquid crystal composition and liquid crystal display element Kanetsugu Terashima 2003-11-04
6605747 Difluoromethyl ether derivative and process for producing the same Tomoyuki Kondo, Kouki Sagou, Shuichi Matsui, Hiroyuki Takeuchi, Etsuo Nakagawa 2003-08-12
6599590 Fluoro-substituted alkenyl compounds, liquid crystal compositions, and liquid crystal display elements Yasuhiro Haseba, Shuichi Matsui, Hiroyuki Takeuchi, Etsuo Nakagawa 2003-07-29
6596349 Terphenyl derivative, liquid crystal composition and liquid crystal display device Tomoyuki Kondou, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Fusayuki Takeshita +1 more 2003-07-22
6579577 Substituted benzene derivative, liquid crystal composition, and liquid crystal display element Tomoyuki Kondo, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Fusayuki Takeshita +1 more 2003-06-17
6572938 Liquid crystal composition and liquid crystal display device Motoki Yanai, Etsuo Nakagawa 2003-06-03
6558758 Liquid crystal composition and liquid crystal display element Motoki Yanai, Etsuo Nakagawa 2003-05-06