HM

Hiroyuki Matsumura

DI Daicel Chemical Industries: 10 patents #53 of 893Top 6%
Kawasaki: 9 patents #199 of 2,943Top 7%
DA Daicel: 7 patents #35 of 523Top 7%
SL Sumitomo Riko Company Limited: 7 patents #23 of 446Top 6%
SO Sony: 5 patents #7,785 of 25,231Top 35%
Bridgestone: 3 patents #795 of 2,860Top 30%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
TI Tokai Rubber Industries: 2 patents #181 of 557Top 35%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
ST Stt: 2 patents #3 of 16Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TO Tosoh: 1 patents #576 of 1,042Top 60%
NU National University Corporation Kagawa University: 1 patents #102 of 277Top 40%
NI Nikkato: 1 patents #9 of 19Top 50%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
HC Hitachi Computer Peripherals Co.: 1 patents #41 of 133Top 35%
TC Toray Engineering Co.: 1 patents #46 of 169Top 30%
Overall (All Time): #53,684 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12275805 Method for producing polysaccharide ester Daisuke Hirose, Masashi Genda, Naoki Wada, Kentaro TAKI, Kenji Takahashi 2025-04-15
12157808 Cellulose acetate and cellulose acetate composition Hiroki Taniguchi, Akihiro Higuchi, Tomohiro HASHIZUME, Masaaki KUSUMOTO 2024-12-03
11920021 Cellulose acetate and cellulose acetate composition Kyokutou GA, Masaaki KUSUMOTO 2024-03-05
11643476 Cellulose ester and molded article thereof Tomohiro HASHIZUME, Tohru Shibata, Hiroshi Koyama, Mitsuru Ohno, Tomoichi Watabe 2023-05-09
11572457 Cellulose acetate and cellulose acetate composition Hiroki Taniguchi, Akihiro Higuchi, Tomohiro HASHIZUME, Masaaki KUSUMOTO 2023-02-07
11298372 Composition for ameliorating loss of hair and graying of hair, and use thereof Emi Nishimura 2022-04-12
10994583 Stabilizer bushing for adhesive use and stabilizer bar equipped with stabilizer bushing Masaki SHIRASHIGE, Motoyuki SHIBATA 2021-05-04
10926230 Semipermeable membrane Tomohiro HASHIZUME, Tohru Shibata, Mitsuru Ohno 2021-02-23
10927190 Cellulose ester and molded article thereof Tomohiro HASHIZUME, Tohru Shibata, Hiroshi Koyama, Mitsuru Ohno, Tomoichi Watabe 2021-02-23
10702544 Composition for ameliorating loss of hair and graying of hair, and use thereof Emi Nishimura 2020-07-07
10195910 Tire 2019-02-05
9981524 Stabilizer bushing and bushing-equipped stabilizer bar using the same Satoshi Uchida, Masaki SHIRASHIGE, Toru NEICHI 2018-05-29
9849725 Heavy load pneumatic radial tire with cap tread rubber, base tread rubber, and reinforcing rubber layer 2017-12-26
9677636 Anti-vibration rubber member and production method thereof Yorikazu Nakamura, Takahisa Suzuki 2017-06-13
9470316 Protective cover and manufacturing method thereof Yorikazu Nakamura 2016-10-18
9423033 Dust cover 2016-08-23
9394962 Dust cover 2016-07-19
9174491 Pneumatic tire 2015-11-03
9033320 Anti-vibration rubber member and production method thereof Yorikazu Nakamura, Takahisa Suzuki 2015-05-19
8894079 Upper support for vehicle suspension Yorikazu Nakamura, Satoshi Uchida, Yusuke Washitani 2014-11-25
8813924 Manufacturing method for upper support and upper support 2014-08-26
7613922 Electronic device controlling apparatus, electronic device controlling system, and electronic device controlling method Yasuji Yui, Akira Yaegashi 2009-11-03
7482922 Electronic device controlling apparatus and electronic device controlling method Yasuji Yui, Akira Yaegashi 2009-01-27
7212114 Communication apparatus Yasuji Yui, Akira Yaegashi 2007-05-01
7183894 Communication system for accessing shared entrance of multiple dwelling house Yasuji Yui, Akira Yaegashi 2007-02-27