YT

Yoshitaka Takahashi

Ricoh Company: 17 patents #1,283 of 9,818Top 15%
Fujitsu Limited: 16 patents #1,836 of 24,456Top 8%
HI Hitachi: 13 patents #3,142 of 28,497Top 15%
JC Janome Sewing Machine Co.: 11 patents #23 of 229Top 15%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
SU Subaru: 4 patents #234 of 1,684Top 15%
BA Babcock-Hitachi: 4 patents #64 of 415Top 20%
FL Fujitsu Media Devices Limited: 3 patents #58 of 136Top 45%
BK Babcock-Hitachi K.K.: 3 patents #10 of 70Top 15%
MI Mizuno: 2 patents #99 of 221Top 45%
FL Fujitsu Towa Electron Limited: 2 patents #5 of 9Top 60%
MS Mitsubishi Hitachi Power Systems: 2 patents #298 of 970Top 35%
SO Sony: 2 patents #12,963 of 25,231Top 55%
FL Fujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
NE Nec: 1 patents #7,889 of 14,502Top 55%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NC Nippon Thompson Co.: 1 patents #103 of 178Top 60%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
TC Thk Co.: 1 patents #245 of 450Top 55%
TC Tokyo Sanyo Electric Co.: 1 patents #24 of 89Top 30%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
Samsung: 1 patents #49,284 of 75,807Top 70%
KO Konica: 1 patents #1,290 of 1,958Top 70%
KC Konishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
Overall (All Time): #18,413 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 26–50 of 89 patents

Patent #TitleCo-InventorsDate
7088645 Optical pickup apparatus compatible with different types of optical recording mediums Hiroshi Akiyama 2006-08-08
6976440 Fuel distribution device for fuel feed ducts and method of operating distribution device Yoshinori Ohtani, Hidehisa Yoshizako, Hiroaki Kanemoto, Yutaka Takeno, Yoshio Shimogori +1 more 2005-12-20
6948438 Sewing machine Takehiro Kodama, Shunichi Okaya, Koshiro Omiya 2005-09-27
6949950 Logic circuit module having power consumption control interface and a recording medium storing the module Masahiko Saito, Hidemitsu Naya, Mutsumi Kikuchi, Takashi Hotta 2005-09-27
6931927 Tuning fork vibration gyro Kazuhiro Ohta, Masanori Yachi, Kazutsugu Kikuchi, Keiji Saito 2005-08-23
6889619 Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus Hirofumi Okazaki, Masayuki Taniguchi, Toshikazu Tsumura, Kouji Kuramashi 2005-05-10
6792583 Information processing apparatus, information processing system, and storage media Kotaro Shimamura, Takashi Hotta, Teppei Hirotsu, Katsuichi Tomobe 2004-09-14
6778451 Semiconductor memory device for masking all bits in a test write operation Hitoshi Ikeda, Shinya Fujioka 2004-08-17
6717434 Logic circuit module having power consumption control interface and a recording medium storing the module Masahiko Saito, Hidemitsu Naya, Mutsumi Kikuchi, Takashi Hotta 2004-04-06
6718426 Cache memory apparatus and central processor, hand-held device and arithmetic processor using the same Hidemitsu Naya, Hideyuki Okamoto, Koji Kawaki, Yuji Sugaya, Yuichiro Morita 2004-04-06
6715432 Solid fuel burner and method of combustion using solid fuel burner Toshikazu Tsumura, Hirofumi Okazaki, Miki Shimogori, Kenji Kiyama, Kouji Kuramashi +5 more 2004-04-06
6700816 Semiconductor storage device conducting a late-write operation and controlling a test read-operation to read data not from a data latch circuit but from a memory core circuit regardless Hitoshi Ikeda, Shinya Fujioka 2004-03-02
6647786 Tuning-fork type vibration gyro and electrode trimming method therefor Kazuhiro Ohta, Masanori Yachi, Kazutsugu Kikuchi, Keiji Saito 2003-11-18
6498755 SEMICONDUCTOR STORAGE DEVICE CONDUCTING A LATE-WRITE OPERATION AND CONTROLLING A TEST READ-OPERATION TO READ DATA NOT FROM A DATA LATCH CIRCUIT BUT FROM A MEMORY CORE CIRCUIT REGARDLESS OF WHETHER A PRECEDING ADDRESS AND A PRESENT ADDRESS MATCH EACH OTHER Hitoshi Ikeda, Shinya Fujioka 2002-12-24
6496433 Semiconductor device and semiconductor device testing method Yasuhiro Okumura, Akihiro Funyu 2002-12-17
6480455 Optical pickup device applicable to two kinds of recording media with minimized deterioration of a beam spot 2002-11-12
6477130 Optical pick-up apparatus 2002-11-05
6404688 Semiconductor memory device having a self-refresh operation Yoshiaki Okuyama, Shinya Fujioka, Akihiro Funyu 2002-06-11
6396758 Semiconductor memory device Hitoshi Ikeda, Tatsuya Kanda, Shinya Fujioka, Akihiro Funyu 2002-05-28
6389041 Synchronization system and synchronization method of multisystem control apparatus Yuichiro Morita, Kotaro Shimamura, Takashi Hotta, Kazuhiro Imaie, Shigeta Ueda +3 more 2002-05-14
6366005 Tuning fork type vibration gyro Hiroshi Ishikawa, Masanori Yachi, Yoshio Satoh, Kazutsugu Kikuchi 2002-04-02
6343058 Optical pickup device applicable to two kinds of recording media with minimized deterioration of a beam spot Hiroshi Akiyama 2002-01-29
6301216 Optical pick-up apparatus 2001-10-09
6272098 Optical disk apparatus compatible with different types of mediums and comprising optical path separating means Hiroshi Akiyama 2001-08-07
6262924 Programmable semiconductor memory device Yutaka Fukutani, Tomohiro Nakayama, Seizi Hirayama, Waichiro Fujieda, Arayama Youji +5 more 2001-07-17