EK

Eiichi Kawamura

Ricoh Company: 19 patents #1,131 of 9,818Top 15%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
EC Eagle Industry Co.: 4 patents #76 of 314Top 25%
MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
Nsk: 4 patents #376 of 1,559Top 25%
NC Nakanishi Metal Works Co.: 1 patents #34 of 95Top 40%
📍 Numazu, JP: #43 of 856 inventorsTop 6%
Overall (All Time): #114,284 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
7291931 Semiconductor device, semiconductor substrate and fabrication process of a semiconductor device Katsuyoshi Kirikoshi 2007-11-06
7220521 Fabrication method of semiconductor device 2007-05-22
7033904 Semiconductor device, semiconductor substrate and fabrication process of a semiconductor device Katsuyoshi Kirikoshi 2006-04-25
6656879 Method of reversible selective manifestation of different states of functional element Kyoji Tsutsui, Takehito Yamaguchi, Hideaki Ema, Masaru Shimada, Hiroshi Goto +5 more 2003-12-02
6457870 Sealed rolling bearing Tomoyuki Aizawa, Kazuo Akagami 2002-10-01
6420095 Manufacture of semiconductor device using A-C anti-reflection coating Teruyoshi Yao, Nobuhisa Naori, Koichi Hashimoto, Masaharu Kobayashi, Tadasi Oshima 2002-07-16
6348519 Emulsion ink and printing method using emulsion ink Kouichi Ohshima, Masanaga Imamura, Keishi Taniguchi, Hiroshi Adachi 2002-02-19
RE36963 Method and apparatus for regenerating image holding member Kazuhiro Ando, Yoshiaki Miyashita, Youichi Asaba, Kiyoshi Tanikawa, Satoshi Singuryo +6 more 2000-11-21
6063835 Emulsion ink and printing method using emulsion ink Kouichi Ohshima, Masanaga Imamura, Keishi Taniguchi, Hiroshi Adachi 2000-05-16
5750316 Manufacture of semiconductor device using a-c anti-reflection coating Teruyoshi Yao, Nobuhisa Naori, Koichi Hashimoto, Masaharu Kobayashi, Tadasi Oshima 1998-05-12
5738759 Recording material, method of producing the same and method of recycling recording material Hiroshi Kitazawa, Shigeaki Kimura, Toshiyuki Kawanishi, Masato Igarashi 1998-04-14
5700746 Reversible thermosensitive recording medium Atsushi Kutami, Keishi Kubo 1997-12-23
5635005 Method of recycling support material for image-bearing support Tadashi Saitoh, Kiyoshi Tanikawa 1997-06-03
5626426 Self-aligning roller bearing with retainer Akiyoshi Honda, Masahide Matsubara, Fukuji Kikkawa, Kunio Fukuda, Teruo Nagao 1997-05-06
5607534 Method of recycling support material for image-bearing member Toshiyuki Kawanishi, Masato Igarashi, Tadashi Saitoh, Kiyoshi Tanikawa, Kakuji Murakami 1997-03-04
5605777 Method and apparatus for regenerating image holding member Kazuhiro Ando, Yoshiaki Miyashita, Youichi Asaba, Kiyoshi Tanikawa, Satoshi Singuryo +6 more 1997-02-25
5593937 Image-bearing member and method for recycling the same Tadashi Saito, Kiyoshi Tanikawa, Toshiyuki Kawanishi 1997-01-14
5540815 Method of recycling an image carrying medium and an image separating member therefor Masato Igarashi, Toshiyuki Kawanishi, Narihito Kojima 1996-07-30
5538348 Self-aligning roller bearing with cage Akiyoshi Honda, Kunio Fukuda, Masahide Matsubara, Fukuji Kikkawa 1996-07-23
5521138 Reversible thermosensitive coloring composition, and recording medium using the same Masaru Shimada, Hiroshi Goto, Shoji Maruyama, Keishi Kubo, Kyoji Tsutsui 1996-05-28
5432534 Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium Shoji Maruyama, Hiroshi Goto, Masaru Shimada, Keishi Kubo, Kyoji Tsutsui +5 more 1995-07-11
5395433 Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium Shoji Maruyama, Hiroshi Goto, Masaru Shimada, Keishi Kubo, Kyoji Tsutsui +5 more 1995-03-07
5296439 Reversible thermosensitive coloring recording medium, recording method, and image display apparatus using the recording medium Shoji Maruyama, Hiroshi Goto, Masaru Shimada, Keishi Kubo, Kyoji Tsutsui +5 more 1994-03-22
5234274 Self-aligning roller bearing with retainer Akiyoshi Honda 1993-08-10
4632403 Stern tube seal device providing a seal about a rotatable shaft Kenichiro Ishitani, Takashi Unseki, Saburo Amiboshi 1986-12-30