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 126–150 of 255 patents

Patent #TitleCo-InventorsDate
7175087 Method of analyzing astigmatic difference and method of correcting the spot diameters for an optical device and spot analysis system 2007-02-13
7166376 Magnetic recording medium including a high-magnetostriction layer and magnetic recording/reproducing apparatus Takashi Hikosaka, Futoshi Nakamura, Soichi Oikawa, Takeshi Iwasaki, Tomoyuki Maeda +2 more 2007-01-23
7166375 Magnetic recording medium utilizing a multi-layered soft magnetic underlayer, method of producing the same and magnetic recording and reproducing device Kenji Shimizu, Takashi Hikosaka, Futoshi Nakamura 2007-01-23
7164521 Aberration compensating device and optical head device 2007-01-16
D533833 Double-reduction reclining motor Daisuke Tanaka, Kazuhiro Wada 2006-12-19
7141315 Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus Kenji Shimizu, Akira Sakawaki, Takashi Hikosaka, Futoshi Nakamura 2006-11-28
7141316 Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus Takeshi Iwasaki, Takashi Hikosaka, Soichi Oikawa, Futoshi Nakamura, Tomoyuki Maeda +2 more 2006-11-28
7138194 Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus Kenji Shimizu, Akira Sakawaki, Takashi Hikosaka, Soichi Oikawa 2006-11-21
7132176 Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus Takeshi Iwasaki, Takashi Hikosaka, Soichi Oikawa, Futoshi Nakamura, Kenji Shimizu +1 more 2006-11-07
7105239 Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same Soichi Oikawa, Takashi Hikosaka, Futoshi Nakamura, Takeshi Iwasaki, Akira Sakawaki +1 more 2006-09-12
7102010 Process for producing 5-substituted oxazole compounds and 5-substituted imidazole compounds Atsushi Ogihara, Nobuo Matsui, Hidekazu Miyazaki 2006-09-05
7092080 Light intensity distribution measuring method and light intensity distribution measuring device 2006-08-15
7087325 Magnetic recording medium and production process thereof Hiroshi Kanazawa, Hiroshi Ohsawa, Kazunori Ohnami 2006-08-08
7083870 Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus Kenji Shimizu, Akira Sakawaki, Takashi Hikosaka, Takeshi Iwasaki 2006-08-01
7057293 Structure comprising a printed circuit board with electronic components mounted thereon and a method for manufacturing the same Motoji Suzuki, Makoto Igarashi, Akihiro Tanaka 2006-06-06
7056606 Magnetic recording medium, method manufacture therefor, and apparatus for magnetic reproducing and reproducing recordings Kenji Shimizu, Akira Sakawaki, Takashi Hikosaka, Soichi Oikawa 2006-06-06
7033684 Magnetic recording medium, method of manufacture thereof, and magnetic read/write apparatus Kenji Shimizu, Akira Sakawaki, Takashi Hikosaka, Soichi Oikawa 2006-04-25
7029772 Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus Tetsuya Osaka 2006-04-18
7013557 Method of packaging electronic components without creating unnecessary solder balls Motoji Suzuki, Makoto Igarashi, Akihiro Tanaka 2006-03-21
6975059 Electric motor Masayuki Ota, Yukiyoshi Iso, Takao Ochiai 2005-12-13
6972157 Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus Tetsuya Osaka 2005-12-06
6964520 Packaging bag Hiroyuki Taketomi, Yuji Hashitani, Hirofumi Okada, Shinichi Hirakawa 2005-11-15
6950449 Passively Q-switched laser Akihiro Sone, Hirofumi Kan, Takunori Taira 2005-09-27
6942936 Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus Soichi Oikawa, Takashi Hikosaka, Akira Sakawaki, Kenji Shimizu 2005-09-13
6931047 Laser light source Hirofumi Kan, Akihiro Sone, Takunori Taira, Nicolaie Pavel, Voicu Lupei 2005-08-16