HY

Hiroshi Yoshikawa

HI Hitachi: 21 patents #1,645 of 28,497Top 6%
Canon: 18 patents #3,676 of 19,416Top 20%
Mitsubishi Electric: 16 patents #1,485 of 25,717Top 6%
MC Minebea Co.: 8 patents #62 of 736Top 9%
NK Nippon Kayaku: 6 patents #99 of 1,103Top 9%
TO Topcon: 5 patents #169 of 684Top 25%
SO Sony: 4 patents #8,966 of 25,231Top 40%
JT Jtekt: 4 patents #427 of 1,969Top 25%
AC Aisin Aw Co.: 3 patents #581 of 2,011Top 30%
Rohm Co.: 3 patents #810 of 2,292Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
CN CNRS: 2 patents #1,756 of 11,908Top 15%
NT NTT: 2 patents #2,095 of 4,871Top 45%
BO Bosch: 2 patents #27 of 191Top 15%
NK Nsk-Warner K.K.: 2 patents #78 of 206Top 40%
SU Subaru: 2 patents #413 of 1,436Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
NL Nissei Limited: 1 patents #25 of 53Top 50%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
OU Osaka University: 1 patents #681 of 1,984Top 35%
SI Sanraku Incorporated: 1 patents #19 of 48Top 40%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
TL Takeda Pharmaceutical Company Limited: 1 patents #859 of 1,531Top 60%
BU Biomaterials Universe: 1 patents #4 of 13Top 35%
IBM: 1 patents #44,794 of 70,183Top 65%
AC Amada Metrecs Co.: 1 patents #19 of 44Top 45%
FL Fujitsu Takamisawa Component Limited: 1 patents #67 of 113Top 60%
GC Grand Polymer Co.: 1 patents #7 of 33Top 25%
HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
JV Jvckenwood: 1 patents #386 of 736Top 55%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
NT Nippon Telephone And Telegraph: 1 patents #8 of 84Top 10%
Overall (All Time): #10,055 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 101–119 of 119 patents

Patent #TitleCo-InventorsDate
5777663 Picture codec and teleconference terminal equipment Yoji Shibata, Masaaki Takizawa, Hitoshi Matsushima, Atsuo Yoshida, Toru Ebihara +3 more 1998-07-07
5689300 Picture codec and teleconference terminal equipment Yoji Shibata, Masaaki Takizawa, Hitoshi Matsushima, Atsuo Yoshida, Toru Ebihara +3 more 1997-11-18
5649442 Method of manufacturing casing base for hard disc drive device Rikuro Obara 1997-07-22
5637680 Process for the preparation of etoposide phosphate and intermediate thereof Yoshinobu Miyazawa, Hitoshi Sato, Kouichi Ohkawa, Noriko Tomiyoshi 1997-06-10
5606039 Etoposide phosphate and preparative intermediates Yoshinobu Miyazawa, Hitoshi Sato, Kouichi Ohkawa, Noriko Tomiyoshi 1997-02-25
D373362 Communication apparatus Yukio Kuroiwa, Toshiyuki Utsuki 1996-09-03
D342512 Combined camera and monitor television receiver Touru Ebihara, Jyun Furuya, Atuo Yoshida, Akira Takahashi, Atutoshi Satou 1993-12-21
5205206 Food production apparatus Shozo Kitama, Akimitsu Kanemaki 1993-04-27
5028598 Oxetanocin derivatives and their salts as well as use thereof Katsuhiko Kurabayashi, Junichi Seki, Haruo Machida, Hiroo Hoshino, Seiichi Saito +1 more 1991-07-02
4994281 Polylactic acid microspheres and process for producing the same Shozo Muranishi, Yoshito Ikada, Shokyu Gen 1991-02-19
4914411 Electro-magnetic relay Hiroshi Hikita, Katsumi Shibata, Hideo Oishi 1990-04-03
4747811 Automatic belt tensioner Shuji Sawafuji, Masahiro Ozawa 1988-05-31
4746000 Curved escalator Hiroshi Nakatani, Makoto Tomidokoro 1988-05-24
4743224 Automatic belt tensioner Naoto Muto, Kohichi Fukunaga 1988-05-10
4553674 Casing construction for electronic equipment Tetsuya Hattori, Hideaki Sato 1985-11-19
4285883 Process for producing 2-chloro-6-nitrobenzonitrile 1981-08-25
4225534 Process for the production of 2-chlorobenzonitrile derivatives 1980-09-30
4202029 Transportable telephone exchange apparatus Akihiro Kawakami, Hideaki Sato 1980-05-06
4197434 Telephone exchange apparatus Mituo Inamasu, Kazuo Takehara, Yoshio Sakata, Satoshi Matsumoto, Akihiro Kawakami +2 more 1980-04-08