AH

Akira Hasegawa

OC Olympus Optical Co.: 36 patents #30 of 2,334Top 2%
MM Mitsubishi Mining: 20 patents #10 of 2,247Top 1%
OL Olympus: 16 patents #209 of 3,097Top 7%
JC Jujo Paper Co.: 14 patents #5 of 105Top 5%
TO Toyota: 14 patents #1,948 of 26,838Top 8%
HI Hitachi: 12 patents #3,472 of 28,497Top 15%
SC Sumitomo Chemical: 11 patents #424 of 4,033Top 15%
Fujitsu Limited: 9 patents #3,538 of 24,456Top 15%
YK Yoshida Kogyo K.K.: 9 patents #35 of 468Top 8%
MC Mitsui Chemicals: 9 patents #181 of 2,279Top 8%
FU Fujifilm: 9 patents #988 of 4,519Top 25%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
GK G-C Toshi Kogyo: 8 patents #1 of 17Top 6%
NM Nisshin Oil Mills: 5 patents #5 of 101Top 5%
UN Unknown: 5 patents #3,065 of 83,584Top 4%
SO Sony: 5 patents #7,785 of 25,231Top 35%
FU Fujirebio: 4 patents #26 of 219Top 15%
IC Ibiden Co.: 4 patents #206 of 730Top 30%
AT AT&T: 3 patents #5,550 of 18,772Top 30%
BL Bell Telephone Laboratories: 3 patents #167 of 1,445Top 15%
RR Renaissance Energy Research: 3 patents #9 of 38Top 25%
SI Sumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
WI Wako Pure Chemical Industries: 3 patents #56 of 377Top 15%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
TO Tonen: 2 patents #77 of 264Top 30%
AG Agc: 2 patents #337 of 954Top 40%
MI Mitsui Toatsu Chemicals, Incorporated: 2 patents #607 of 1,543Top 40%
NS National Institute For Materials Science: 2 patents #189 of 901Top 25%
IT Institute Of National Colleges Of Technology: 2 patents #8 of 88Top 10%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
OL Ortho Solutions, Lc: 2 patents #3 of 8Top 40%
IBM: 2 patents #32,839 of 70,183Top 50%
JT Japan Tobacco: 2 patents #330 of 1,187Top 30%
NC Nippon Shinyaku Co.: 2 patents #80 of 237Top 35%
KS Kobe Steel: 2 patents #504 of 2,031Top 25%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
SC Sanken Electric Co.: 1 patents #175 of 315Top 60%
SC Sanwa Kagaku Kenkyusho Co.: 1 patents #101 of 223Top 50%
SC Seitetsu Kagaku Co.: 1 patents #38 of 86Top 45%
DL Denka Company Limited: 1 patents #223 of 434Top 55%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
The Johns Hopkins University: 1 patents #1,892 of 4,416Top 45%
JM Johns Hopkins University School Of Medicine: 1 patents #129 of 255Top 55%
University of California: 1 patents #8,022 of 18,278Top 45%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TC Tokyo-Buhin Kogyo Co.: 1 patents #4 of 18Top 25%
TS Tokyo Metropolitan Institute Of Medical Science: 1 patents #49 of 122Top 45%
TE Toshiba Engineering: 1 patents #11 of 49Top 25%
DC Daiichi Seiyaku Co.: 1 patents #38 of 111Top 35%
AI Advanced Life Science Institute: 1 patents #15 of 26Top 60%
WK Wakunaga Seiyaku Kabushiki Kaisha: 1 patents #36 of 78Top 50%
YK Ykk: 1 patents #472 of 845Top 60%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
JG Jgc: 1 patents #137 of 393Top 35%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
KL Kanebo, Limited: 1 patents #248 of 571Top 45%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
IN International: 1 patents #41 of 85Top 50%
ML Mitsui O.S.K. Lines: 1 patents #4 of 28Top 15%
NT National Institute Of Technology: 1 patents #16 of 70Top 25%
Nichia: 1 patents #1,005 of 1,531Top 70%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
HO Hologic: 1 patents #311 of 450Top 70%
FK Furukawa Denki Kogyo Kabushiki Kaisha: 1 patents #8 of 22Top 40%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
RT R2 Technology: 1 patents #15 of 24Top 65%
📍 Aomori, CA: #1 of 2 inventorsTop 50%
Overall (All Time): #1,864 of 4,157,543Top 1%
257
Patents All Time

Issued Patents All Time

Showing 76–100 of 257 patents

Patent #TitleCo-InventorsDate
6282320 Video data decoding apparatus and method and video signal reproduction apparatus and method Yoshinori Shimizu, Masayoshi Mizuno, Takayuki Ishida 2001-08-28
6254264 Lighting system for light guides Yutaka Koshikawa, Makoto Tomioka, Takayuki Suzuki 2001-07-03
6196843 Dental composition and artificial tooth with the use of dental composition Satoshi Kawaguchi 2001-03-06
6192095 Xenon-133 radioactive stent for preventing restenosis of blood vessels and a process for producing the same Toshiaki Sekine, Satoshi Watanabe, Akihiko Osa, Noriko Ishioka, Mitsuo Koizumi +7 more 2001-02-20
6142659 Optical illumination device Takayuki Suzuki, Yumi Ikeda, Makoto Tomioka 2000-11-07
6139175 Light source for endoscopes, having different numerical-aperture light collection system Makoto Tomioka, Takayuki Suzuki, Yumi Ikeda 2000-10-31
6124883 TV observation system for endoscopes Takayuki Suzuki, Makoto Tomioka, Yumi Ikeda, Mitsujiro Konno, Shinya Matsumoto 2000-09-26
6122088 Ultra-high speed light transmission method making use of quasi-solitons in fibers 2000-09-19
6114126 Compounds for stimulating nerve growth Ronald L. Schnaar, Lynda J. S. Yang 2000-09-05
6086531 Light source device for endoscopes Makoto Tomioka, Shinya Matsumoto, Takayuki Suzuki 2000-07-11
6069651 Imaging apparatus for endoscopes Hiroshi Tsuyuki, Toshikazu Takayama, Mitsujiro Konno 2000-05-30
6051166 Indium oxide-tin oxide powders and method for producing the same Shinji Fujiwara, Kunio Saegusa 2000-04-18
6022123 Light source device Makoto Tomioka, Takayuki Suzuki, Yumi Ikeda 2000-02-08
6017494 Liquid supply device and analytical test device Yoshihiro Ashihara, Mitsushi Gotanda, Yuko Fujiwara 2000-01-25
6012347 Power steering apparatus 2000-01-11
5993037 Light source device for endoscopes Makoto Tomioka, Shinya Matsumoto, Takayuki Suzuki 1999-11-30
5995136 Frame sequential type imaging apparatus for obtaining high resolution object image by irradiating frame sequential light on the object, photoelectrically converting the object image and processing signals by a solid state imaging device Shinichiro Hattori, Masahide Kanno 1999-11-30
5971576 Light source device for endoscopes Makoto Tomioka, Takayuki Suzuki, Yumi Ikeda 1999-10-26
5962434 Compounds for stimulating nerve growth Ronald L. Schnaar, Lynda J. S. Yang 1999-10-05
5918974 Optical illumination device Takayuki Suzuki, Yumi Ikeda, Makoto Tomioka 1999-07-06
5896418 Data transmission system having a communication control computer for controlling communication between a communication interface module and terminal devices Fumio Hamano, Shigeru Oho, Takeshi Hirayama 1999-04-20
5873784 Power steering system having a mechanical safety breaker Takashi Iwasaki, Hiroaki Tanaka, Kazunori Kagawa, Takuya Kondo 1999-02-23
5871904 Immunassay of non-A, non-B hepatitis virus-related antigens, monoclonal antibodies for use therein, and hybridomas producing the antibodies Tomiko Kashiwakuma, Shintaro Yagi, Tadahiro Kajita, Yohsuke Ohta, Hiroyuki Mori 1999-02-16
5869548 Dental material Keisuke Ikushima 1999-02-09
5869460 Sulfated and phosphated saccharide derivatives, process for the preparation of the same and use thereof Toshinao Usui, Takao Igami, Takuji Kakigami, Hitoshi Hamashima, Takahito Jomori +5 more 1999-02-09