HT

Hirofumi Takahashi

MC Mitsui Chemicals: 3 patents #648 of 2,279Top 30%
VJ Vehicle Energy Japan: 3 patents #17 of 73Top 25%
FC Fuji Ceramics: 3 patents #1 of 16Top 7%
SC Sakai Chemical Industry Co.: 3 patents #40 of 227Top 20%
TU Tohoku University: 3 patents #210 of 1,680Top 15%
JM Jx Nippon Mining & Metals: 2 patents #117 of 262Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HS Hitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
NC Nippon Mining & Metals Co.: 2 patents #49 of 166Top 30%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
SC Shin-Kobe Electric Machinery Co.: 1 patents #92 of 199Top 50%
Overall (All Time): #189,874 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12326612 Vibrator and vibration wave motor Takatoshi Ashizawa, Kazutaka Watanabe 2025-06-10
11923519 Battery pack 2024-03-05
11843101 Battery pack Masanari Oda, Shigeki Makino, Wataru Sato, Hitoshi NISHIMORI 2023-12-12
11572632 Method for manufacturing high purity tin, electrowinning apparatus for high purity tin and high purity tin Kouichi Takemoto, Toru Imori, Takashi Ouchi 2023-02-07
11133541 Battery pack Masanari Oda, Shigeki Makino, Wataru Sato, Hitoshi NISHIMORI 2021-09-28
9935477 Charge/discharge control method and charge/discharge control apparatus for lithium ion battery Chieko Araki, Masahiro Yonemoto 2018-04-03
9787119 Electric storage device and method for charging same Shin Yamauchi, Kohei HONKURA, Takashi KAMIJOH, Mitsuhiro Kishimi 2017-10-10
9722284 Nonaqueous secondary battery and battery control system Kan Kitagawa 2017-08-01
9325034 Secondary battery with organic electrolytic solution Kenji Hara, Tatsuhiko Kawasaki 2016-04-26
9272921 Method for producing alkali metal niobate particles, and alkali metal niobate particles Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani +1 more 2016-03-01
9077043 Secondary battery cell Yuichi Takatsuka, Katsunori Suzuki, Sho Matsumoto, Kenji Nakai, Tatsuhiko Kawasaki +1 more 2015-07-07
8920924 Method for producing alkali metal niobate particles, and alkali metal niobate particles Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani +1 more 2014-12-30
8771618 Method for producing alkali metal niobate particles, and alkali metal niobate particles Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani +1 more 2014-07-08
8216438 Copper anode or phosphorous-containing copper anode, method of electroplating copper on semiconductor wafer, and semiconductor wafer with low particle adhesion Akihiro Aiba 2012-07-10
7999661 Signal relay device, communication network system and operation system Isao Uchida, Masanori Noguchi, Toshiro Tomita, Tetsuo Hoshi, Koji Demachi +2 more 2011-08-16
7897805 Polyisocyanate production method and polyisocyanate production system Masaaki Sasaki, Takao Naito, Fumiaki Hirata, Masato Saruwatari, Kouji Maeba +4 more 2011-03-01
7767160 Apparatus for continuously producing polyisocyanate Masaaki Sasaki, Kouji Maeba, Mitsunaga Douzaki, Osamu Hososaka 2010-08-03
7742279 Energy conversion device Kyoko Honbo, Masanori Sakai 2010-06-22
7718145 Polyisocyanate production system and gas treatment apparatus Masaaki Sasaki, Kouji Maeba, Takao Naito, Kouichirou Terada, Takashi Yamaguchi +1 more 2010-05-18
7704307 Electroless palladium plating liquid Akihiro Aiba 2010-04-27
7396394 Electroless gold plating solution Akihiro Aiba, Kazumi Kawamura 2008-07-08
5432444 Inspection device having coaxial induction and exciting coils forming a unitary coil unit Kazuhiko Yasohama, Hiroaki Kohama 1995-07-11