KF

Kazuhiro Fujita

Ricoh Company: 102 patents #36 of 9,818Top 1%
SC Screen Holdings Co.: 13 patents #44 of 686Top 7%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
TK Toda Kogyo: 5 patents #80 of 328Top 25%
AD Advantest: 3 patents #330 of 1,193Top 30%
SI Seiko Instruments: 3 patents #474 of 1,437Top 35%
CK Ckd: 3 patents #72 of 332Top 25%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
AC Asmo Co.: 2 patents #218 of 745Top 30%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
SC Shinko Electric Industries Co.: 2 patents #315 of 723Top 45%
Yamaha: 2 patents #899 of 2,001Top 45%
KP Kanzaki Specialty Papers: 1 patents #5 of 10Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
📍 Kyoto, MA: #1 of 8 inventorsTop 15%
Overall (All Time): #6,198 of 4,157,543Top 1%
150
Patents All Time

Issued Patents All Time

Showing 126–150 of 150 patents

Patent #TitleCo-InventorsDate
6535376 Wrist-carried information device Jun Hirotomi 2003-03-18
D468505 Electric iron Yoshiaki Ueda 2003-01-07
D468070 Electric iron Yoshiaki Ueda 2002-12-31
6319034 Interface station including simply detachable connection apparatus and information processing apparatus connectable with interface station Takayo Takakura 2001-11-20
6181473 Image device for forming an erected image Ikuo Maeda, Hiroyuki Inoue 2001-01-30
6177667 Imaging device Ikuo Maeda, Hiroyuki Inoue, Goichi Akanuma 2001-01-23
D430366 Electric vacuum cleaner Takashi Sato, Shigeyuki Takao 2000-08-29
D417323 Electric vacuum cleaner Toshiaki Tsuruha 1999-11-30
5907438 Imaging device Toshihiro Kanematsu, Shigeyoshi Misawa, Ikuo Maeda, Takahito Uga, Hiroyuki Inoue 1999-05-25
D403475 Canister vacuum cleaner David E. Mehaffey, Ty S. Rarick, Toru Abe 1998-12-29
D399617 Electric vacuum cleaner 1998-10-13
D391701 Electric vacuum cleaner Takashi Sato, Kazuhiko Yamagiwa 1998-03-03
5604606 Picture reading apparatus with flaring light elimination capability Takaaki Miyashita 1997-02-18
5582914 Magnetic iron oxide particles and method of producing the same Atsushi Takedoi, Mamoru Tanihara, Tosiharu Harada, Masaru Isoai 1996-12-10
D368560 Electric vacuum cleaner Toru Abe, Joseph J. Nukazawa, Yukiharu Nakamura 1996-04-02
5480571 Process for producing acicular goethite particles and acicular magnetic iron oxide particles Masaru Isoai, Tosiharu Harada, Tokihiro Kurata, Kazushi Takama, Shigekazu Jikuhara 1996-01-02
5378380 Process for producing acicular geothite particles and acicular magnetic iron oxide particles Masaru Isoai, Tosiharu Harada, Tokihiro Kurata, Kazushi Takama, Shigekazu Jikuhara 1995-01-03
5314750 Magnetic iron oxide particles and method of producing same Atsushi Takedoi, Mamoru Tanihara, Tosiharu Harada, Masaru Isoai 1994-05-24
5294492 Acicular magnetic iron oxide particles Hiroshi Oka, Kazuaki Kouziro, Toshitada Shigemura, Tomohisa Moriya, Katsumi Yamashita +2 more 1994-03-15
5107477 Integrated optical pick-up device Toshiyuki Inokuchi, Nobuyuki Baba, Hideo Maeda, Shigeru Ohuchida 1992-04-21
5097462 Integrated optical pick-up device Toshiyuki Inokuchi, Nobuyuki Baba, Hideo Maeda, Shigeru Ohuchida 1992-03-17
5060212 Integrated optical pick-up device Toshiyuki Inokuchi, Nobuyuki Baba, Hideo Maeda, Shigeru Ohuchida 1991-10-22
4935911 Optical head device for recording and reproducing information Shigeru Ohuchida, Toshiyuki Inokuchi, Nobuyuki Baba, Hideo Maeda 1990-06-19
4660784 Tap cartridge Takashi Sumida, Sigeo Sasaki, Takao Ketori, Kenji Ogiro 1987-04-28
4635879 Tape cassette Takashi Sumida, Sigeo Sasaki, Takao Ketori 1987-01-13