YH

Yutaka Hasegawa

SO Sony: 56 patents #372 of 25,231Top 2%
Yamaha: 35 patents #25 of 2,001Top 2%
Ricoh Company: 20 patents #1,076 of 9,818Top 15%
HK Hamamatsu Photonics K.K.: 14 patents #140 of 1,436Top 10%
DE Denso: 4 patents #3,129 of 11,792Top 30%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
SA Sanden: 2 patents #221 of 631Top 40%
TK Toshiba Kikai: 2 patents #223 of 713Top 35%
TC Toshiba Machine Co.: 2 patents #34 of 186Top 20%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
TC Teika Pharmaceutical Co.: 1 patents #8 of 26Top 35%
TO Tonen: 1 patents #126 of 264Top 50%
KC Kimmon Manufacturing Co.: 1 patents #2 of 13Top 20%
AC Aichi Tokei Denki Co.: 1 patents #12 of 31Top 40%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
OT On Semiconductoc Trading: 1 patents #23 of 91Top 30%
OP Osaka Prefecture University Public: 1 patents #50 of 165Top 35%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
Overall (All Time): #8,146 of 4,157,543Top 1%
132
Patents All Time

Issued Patents All Time

Showing 101–125 of 132 patents

Patent #TitleCo-InventorsDate
D406587 Cellular telephone with fold-out keyboard James E. Wicks 1999-03-09
5819143 Color image forming apparatus and method Yoshihiro Sakai, Kazushige Taguchi 1998-10-06
5801511 Photomultiplier Hiroyuki Kyushima, Akira Atsumi, Koji Nagura 1998-09-01
5789861 Photomultiplier Hiroyuki Kyushima, Koji Nagura, Eiichiro Kawano, Tomihiko Kuroyanagi, Akira Atsumi +1 more 1998-08-04
5778276 Image forming apparatus having automatic preliminary scanning start function 1998-07-07
5771106 Shading correcting means for image forming apparatus Kazushige Taguchi, Tsutomu Shouji 1998-06-23
5730762 Gas oil (law451) Kazuyuki Murakami, Shoukichi Yamamoto, Kazushi Tsurutani 1998-03-24
5619100 Photomultiplier Hiroyuki Kyushima, Koji Nagura, Eiichiro Kawano, Tomihiko Kuroyanagi, Akira Atsumi +1 more 1997-04-08
5572089 Photomultiplier for multiplying photoelectrons emitted from a photocathode Hiroyuki Kyushima, Koji Nagura, Eiichiro Kawano, Tomihiko Kuroyanagi, Akira Atsumi +1 more 1996-11-05
D373582 Digital motion picture film sound decoder/player 1996-09-10
5532551 Photomultiplier for cascade-multiplying photoelectrons Hiroyuki Kyushima, Koji Nagura, Eiichiro Kawano, Tomihiko Kuroyanagi, Akira Atsumi +1 more 1996-07-02
5515171 Remote-controlled copying apparatus having facsimile interface unit Wataru Nara, Midori Aida, Hajime Hojo, Kunio Hayakawa 1996-05-07
5510674 Photomultiplier Hiroyuki Kyushima, Koji Nagura, Eiichiro Kawano, Tomihiko Kuroyanagi, Akira Atsumi +1 more 1996-04-23
5504386 Photomultiplier tube having a metal-made sidewall Hiroyuki Kyushima, Masuo Ito, Junichi Takeuchi, Koichiro Oba 1996-04-02
5498926 Electron multiplier for forming a photomultiplier and cascade multiplying an incident electron flow using multilayerd dynodes Hiroyuki Kyushima, Koji Nagura, Eiichiro Kawano, Tomihiko Kuroyanagi, Akira Atsumi +1 more 1996-03-12
5491380 Photomultiplier including an electron multiplier for cascade-multiplying an incident electron flow using a multilayered dynode Hiroyuki Kyushima, Koji Nagura, Eiichiro Kawano, Tomihiko Kuroyanagi, Akira Atsumi +1 more 1996-02-13
5346522 Method and apparatus for molding optical glass elements or the like Yoshizo Komiyama, Fumio Arai, Tetsuya Tanioka, Hisataka Sugiyama, Yoshiyasu Toyama +1 more 1994-09-13
5340374 Method for molding optical glass elements Yoshizo Komiyama, Fumio Arai, Yoshiyasu Toyama, Tetsuya Tanioka 1994-08-23
5282878 Apparatus for molding optical glass elements Yoshizo Komiyama, Fumio Arai, Yoshiyasu Toyama, Tetsuya Tanioka 1994-02-01
5242469 Gasoline additive composition Tadamori Sakakibara, Fumio Oohashi, Kiyomi Adachi 1993-09-07
5206953 Data communication system Syuichi Yamazaki 1993-04-27
5157515 Image reading apparatus using a plurality of phase excitation modes 1992-10-20
4965637 Control device for an image forming apparatus Eiichi Katoh, Koichi Asakura, Toshiro Bando 1990-10-23
4663085 Apparatus for decontamination of radiation contaminated metallic waste Masami Enda, Reiko Fujita, Tetsuo Morisue 1987-05-05
4579445 Copier having uniform sheet size mode 1986-04-01