HS

Hiroshi Sakai

SK Showa Denko K.K.: 3 patents #4 of 148Top 3%
NE Nec: 3 patents #22 of 878Top 3%
KT Kabushiki Kaisha Toshiba: 3 patents #166 of 1,959Top 9%
SD Showa Denko: 2 patents #2 of 20Top 10%
MI Mitsuba: 2 patents #1 of 21Top 5%
HK Hamamatsu Photonics K.K.: 2 patents #11 of 100Top 15%
WU Waseda University: 1 patents #1 of 3Top 35%
HC Hisamitsu Pharmaceutical Co.: 1 patents #6 of 37Top 20%
SC Sankyo Seiki Mfg. Co.: 1 patents #11 of 47Top 25%
TC Toppan Printing Co.: 1 patents #1 of 23Top 5%
📍 Nagano, JP: #1 of 20 inventorsTop 5%
Overall (2005): #443 of 245,428Top 1%
14
Patents 2005

Issued Patents 2005

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
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
6929973 Method of packaging electronic components with high reliability Motoji Suzuki, Makoto Igarashi, Akihiro Tanaka 2005-08-16
6931047 Laser light source Hirofumi Kan, Akihiro Sone, Takunori Taira, Nicolaie Pavel, Voicu Lupei 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