HI

Hiroshi Ishikawa

Fujitsu Limited: 46 patents #330 of 24,456Top 2%
IBM: 20 patents #5,451 of 70,183Top 8%
HI Hitachi: 20 patents #1,757 of 28,497Top 7%
DE Denso: 17 patents #571 of 11,792Top 5%
FL Fujitsu Media Devices Limited: 15 patents #12 of 136Top 9%
FI Fujifilm Business Innovation: 13 patents #720 of 5,238Top 15%
HC Hitachi Cable: 11 patents #38 of 1,086Top 4%
NT NTT: 9 patents #571 of 4,871Top 15%
UP University Of Pittsburgh: 9 patents #67 of 1,817Top 4%
Honda Motor Co.: 9 patents #2,356 of 21,052Top 15%
AC Alps Electric Co.: 8 patents #222 of 2,177Top 15%
NC Nippondenso Co.: 8 patents #238 of 3,479Top 7%
NU New York University: 7 patents #85 of 1,640Top 6%
NC Nkk Co.: 7 patents #58 of 1,173Top 5%
ND Ntt Docomo: 7 patents #371 of 1,706Top 25%
AT Agency Of Industrial Science And Technology: 7 patents #26 of 1,778Top 2%
IO Iris Ohyama: 5 patents #9 of 48Top 20%
KU Kurimoto: 5 patents #2 of 113Top 2%
RY Ryobi: 5 patents #40 of 309Top 15%
FL Fujitsu Towa Electron Limited: 4 patents #2 of 9Top 25%
KU Keio University: 3 patents #54 of 781Top 7%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
HC Hirose Electric Co.: 3 patents #115 of 407Top 30%
PR Proterial: 3 patents #41 of 267Top 20%
KA Kajima: 2 patents #67 of 383Top 20%
TK Terumo Kabushiki Kaisha: 2 patents #599 of 1,558Top 40%
TO Tokin: 2 patents #60 of 278Top 25%
TC Toyo Ink Mfg. Co.: 2 patents #112 of 499Top 25%
U.S. Philips: 2 patents #2,537 of 8,851Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Lsi Logic: 2 patents #799 of 1,957Top 45%
EB Ebara: 2 patents #752 of 1,611Top 50%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
TI Toyota Industries: 1 patents #505 of 955Top 55%
AC Alps Alpine Co.: 1 patents #246 of 525Top 50%
AC Atsugi Motor Parts Company: 1 patents #38 of 93Top 45%
AS Automotive Energy Supply: 1 patents #42 of 87Top 50%
CU Carnegie Mellon University: 1 patents #637 of 1,507Top 45%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
GR Georgia Tech Research: 1 patents #1,150 of 2,755Top 45%
HM Hitachi Aloka Medical: 1 patents #35 of 93Top 40%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
YH Yakult Honsha: 1 patents #185 of 410Top 50%
KR Kajima Road: 1 patents #7 of 16Top 45%
KG Kogyo Gijutsuin: 1 patents #1 of 24Top 5%
MI Michelin: 1 patents #793 of 1,446Top 55%
MI Ministry Of International Trade & Industry: 1 patents #189 of 582Top 35%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
HG HGST: 1 patents #253 of 483Top 55%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NC Nippon Steel Engineering Co.: 1 patents #27 of 107Top 30%
SL Shiseido Company, Limited: 1 patents #543 of 1,112Top 50%
SM Societe De Technologie Michelin: 1 patents #38 of 124Top 35%
TO Tohatsu: 1 patents #4 of 13Top 35%
TO Toto: 1 patents #620 of 1,113Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Kakuda, PA: #1 of 1 inventorsTop 100%
Overall (All Time): #1,772 of 4,157,543Top 1%
262
Patents All Time

Issued Patents All Time

Showing 251–262 of 262 patents

Patent #TitleCo-InventorsDate
4675710 Light emitting semiconductor device Nobuyuki Takagi, Hajime Imai 1987-06-23
4636643 Fog detecting apparatus for use in vehicle Kanehito Nakamura, Kazuma Matsui, Takashi Kurahashi 1987-01-13
4625329 Position analyzer for vehicle drivers Kazuma Matsui, Takashi Kurahashi, Hidehiko Akatsuka, Motokazu Yamada 1986-11-25
4609038 Heat exchanger using a hydrogen occlusion alloy Keisuke Oguro, Hiroshi Suzuki, Akihiko Kato, Teruya Okada, Shizuo Sakamoto +2 more 1986-09-02
4546479 Semiconductor light-emitting device with layers having different band gaps Mitsuhiro Yano 1985-10-08
4497039 Join operation processing system in relational model Hazime Kitakami, Masayoshi Tezuka, Susumu Adachi, Akifumi Makinouchi 1985-01-29
4441324 Thermal shield structure with ceramic wall surface exposed to high temperature Toshio Abe, Shigeo Suhara 1984-04-10
4401310 Vehicle level regulator control system Sachio Satake 1983-08-30
4380064 Digital audio signal control system for a timedivision switching system Takuhito Kojima, Eiji Minamitani 1983-04-12
4360919 Semiconductor light emitting device Takao Fujiwara, Kiyoshi Hanamitsu, Sigeo Ohsaka, Nobuyuki Takagi, Katsuharu Segi 1982-11-23
4290044 Vehicle level detector Mamoru Ichikawa 1981-09-15
4202917 Method for manufacture of indium oxide (III) film Eiichi Ishii, Masanori Nakane, Itsuki Uehara, Yoshizo Miyake 1980-05-13