HS

Hiroshi Sakai

KT Kabushiki Kaisha Toshiba: 40 patents #501 of 21,451Top 3%
SK Showa Denko K.K.: 35 patents #10 of 1,736Top 1%
SD Showa Denko: 15 patents #3 of 593Top 1%
NE Nec: 14 patents #843 of 14,502Top 6%
DE Denso: 14 patents #767 of 11,792Top 7%
Honda Motor Co.: 14 patents #1,210 of 21,052Top 6%
MI Mitutoyo: 13 patents #66 of 721Top 10%
CO Colin: 12 patents #6 of 47Top 15%
NC Nippon Soda Co.: 11 patents #13 of 648Top 3%
NC Nippon Oil & Fats Co.: 8 patents #21 of 409Top 6%
FC Furukawa Electric Co.: 8 patents #239 of 2,370Top 15%
NS Nidec Sankyo: 6 patents #72 of 291Top 25%
CC Colin Electronics Co.: 6 patents #4 of 69Top 6%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
TC Toyoda Gosei Co.: 4 patents #572 of 2,296Top 25%
Kyocera: 4 patents #773 of 3,732Top 25%
TO Tokico: 4 patents #58 of 359Top 20%
MI Mitsuba: 4 patents #91 of 618Top 15%
HO Hoya: 3 patents #406 of 1,290Top 35%
TS Toshiba Infrastructure Systems & Solutions: 3 patents #55 of 424Top 15%
HK Hamamatsu Photonics K.K.: 3 patents #547 of 1,436Top 40%
TC Techno-Umg Co.: 3 patents #6 of 28Top 25%
AD Atotech Deutschland: 3 patents #65 of 445Top 15%
MC Mita Industrial Co.: 3 patents #398 of 891Top 45%
OL Olympus: 3 patents #1,323 of 3,097Top 45%
KM Konica Minolta: 3 patents #626 of 1,361Top 50%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
IC Ishikawajima-Harima Heavy Industries Co.: 2 patents #134 of 611Top 25%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
JS Jfe Steel: 2 patents #578 of 1,401Top 45%
KO Koa: 2 patents #41 of 157Top 30%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
NI Nec Infrontia: 2 patents #62 of 197Top 35%
NC Niles Parts Co.: 2 patents #39 of 137Top 30%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
WU Waseda University: 2 patents #53 of 411Top 15%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
NC Nikon Vision Co.: 1 patents #28 of 50Top 60%
CU Carnegie Mellon University: 1 patents #637 of 1,507Top 45%
SS Sankyo Seiki Seisakusho: 1 patents #122 of 287Top 45%
JC Jidosha Denki Kogyo Co.: 1 patents #65 of 121Top 55%
Samsung: 1 patents #49,284 of 75,807Top 70%
NC Nippon Steel Engineering Co.: 1 patents #27 of 107Top 30%
NE NS Sumikin Engineering: 1 patents #42 of 113Top 40%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
AU A School Corporation Kansai University: 1 patents #30 of 98Top 35%
NC Nisshin Steel Co.: 1 patents #240 of 514Top 50%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
HF House Foods: 1 patents #19 of 66Top 30%
OI Olympus Imaging: 1 patents #211 of 341Top 65%
OC Orion Electric Company: 1 patents #46 of 160Top 30%
SC Sankyo Seiki Mfg. Co.: 1 patents #107 of 244Top 45%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SH Shikibo: 1 patents #10 of 46Top 25%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
Tdk: 1 patents #2,493 of 3,796Top 70%
HC Hisamitsu Pharmaceutical Co.: 1 patents #188 of 383Top 50%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
TU The School Corporation Kansai University: 1 patents #26 of 64Top 45%
FD Fuji Electric Corporate Research & Development: 1 patents #26 of 75Top 35%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
NS National Institutes Of Natural Sciences: 1 patents #4 of 27Top 15%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
📍 Nagano, JP: #5 of 38 inventorsTop 15%
Overall (All Time): #1,888 of 4,157,543Top 1%
255
Patents All Time

Issued Patents All Time

Showing 151–175 of 255 patents

Patent #TitleCo-InventorsDate
6929973 Method of packaging electronic components with high reliability Motoji Suzuki, Makoto Igarashi, Akihiro Tanaka 2005-08-16
6915942 Method of manufacturing mount structure without introducing degraded bonding strength of electronic parts due to segregation of low-strength/low-melting point alloy Shinji Watanabe, Motoji Suzuki, Makoto Igarashi, Akihiro Tanaka 2005-07-12
6902835 Perpendicular magnetic recording medium and magnetic recording apparatus Takashi Hikosaka, Takeshi Iwasaki, Futoshi Nakamura, Soichi Oikawa, Kenji Shimizu +1 more 2005-06-07
6891344 Automatic opening and closing apparatus for vehicle Yasushi Yoshida, Takashi Hoshino, Seiji Shioiri, Takao Ochiai 2005-05-10
6884519 Magnetic recording medium, including an HCP structured Ni-alloy control film method of manufacture therefor, and magnetic read/write apparatus Kenji Shimizu, Akira Sakawaki, Hui Yang, Hiro Mochizuki, Takashi Hikosaka +1 more 2005-04-26
6873591 Two-wavelength optical pickup device with step-like diffraction element 2005-03-29
6857361 Method and apparatus for printing solder paste of different thickness on lands on printed circuit board Motoji Suzuki, Makoto Igarashi, Akihiro Tanaka 2005-02-22
6844046 Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and sputtering target Akira Sakawaki, Masato Kokubu, Ryuji Sakaguchi 2005-01-18
6818331 Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus Akira Sakawaki, Kenji Shimizu, Hiro Mochizuki, Masato Kokubu, Hui Yang +1 more 2004-11-16
6815097 Magnetic recording medium Toshihiko Yoshikawa, Akira Sakawaki 2004-11-09
6808830 Magnetic recording medium, production process and apparatus thereof, and magnetic recording and reproducing apparatus Akira Sakawaki 2004-10-26
6805981 Perpendicular magnetic recording medium and perpendicular magnetic recording-reproducing apparatus Hideo Ogiwara, Takashi Hikosaka, Soichi Oikawa, Kenji Shimizu 2004-10-19
6799790 Automatically opening and closing system for vehicle Yasushi Yoshida, Takashi Hoshino, Seiji Shioiri, Takao Ochiai, Hideyuki Ogawa 2004-10-05
6798671 Switching power supply unit 2004-09-28
6761982 Magnetic recording medium, production process and apparatus thereof, and magnetic recording and reproducing apparatus Akira Sakawaki 2004-07-13
6729446 Solenoid-operated driving apparatus and damping force control type hydraulic shock absorber using the same Takashi Nezu 2004-05-04
6731957 Wireless communication device capable of saving battery power by switching communication mode Michio Shamoto, Masao Tsujii 2004-05-04
6723458 Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus Kenji Shimizu, Akira Sakawaki, Hui Yang, Hiro Mochizuki, Takashi Hikosaka +1 more 2004-04-20
6717303 Electric actuator Takao Ochiai, Yukiyoshi Iso 2004-04-06
6699600 Magnetic recording medium, method of manufacture therefor, and apparatus for magnetic recording and reproducing recordings Kenji Shimizu, Akira Sakawaki, Takashi Hikosaka, Soichi Oikawa 2004-03-02
6686072 Magnetic recording medium, process and apparatus for producing the same, and magnetic recording and reproducing apparatus Akira Sakawaki, Masato Kokubu 2004-02-03
6682826 Magnetic recording medium, method of manufacturing therefor, and magnetic read/write apparatus Kenji Shimizu, Akira Sakawaki, Hiro Mochizuki, Soichi Oikawa, Takashi Hikosaka 2004-01-27
6680133 Magnetic recording medium and sputtering target Akira Sakawaki, Masakazu Kobayashi 2004-01-20
6677061 Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus Kenji Shimizu, Akira Sakawaki 2004-01-13
6663988 Magnetic recording medium, production process thereof, magnetic recording and reproducing apparatus, and method for evaluating inclination distribution of crystal planes on the magnetic film surface Kenji Shimizu 2003-12-16