TN

Takehiro Nakagawa

NO Nok: 17 patents #6 of 725Top 1%
OC Olympus Optical Co.: 15 patents #172 of 2,334Top 8%
OL Olympus: 3 patents #1,323 of 3,097Top 45%
Overall (All Time): #98,026 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 patents

Patent #TitleCo-InventorsDate
11287042 Sealing apparatus Yuya SAKANO, Hiroki Matsui, Kokichi Hamamoto, Hisato YONAI, Masahiko Inoue 2022-03-29
11261968 Sealing device for differential mechanism Hideaki NAGAHAMAYA, Kokichi Hamamoto, Masayuki Tanida 2022-03-01
10711899 Seal device Akihiro Komyo, Shinichi Ishibashi 2020-07-14
D865134 Seal Hideaki NAGAHAMAYA, Kokichi Hamamoto, Masayuki Tanida 2019-10-29
10428947 Sealing device 2019-10-01
10371260 Oil seal 2019-08-06
10208861 Sealing device Kokichi Hamamoto, Hideaki NAGAHAMAYA, Shiho Sato 2019-02-19
D802104 Seal Hideaki NAGAHAMAYA, Kokichi Hamamoto, Masayuki Tanida 2017-11-07
9618117 Oil seal 2017-04-11
8714562 Lip type end face sealing device Akihiro Sato, Tetsuo Tasaki, Hiromi Takahashi, Junya Hoshi, Hiroshi Okubo +1 more 2014-05-06
8714561 Oil seal Satoshi Yamanaka, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui, Hideyuki Furuyama +4 more 2014-05-06
8573601 Sealing device 2013-11-05
8537209 Endoscope apparatus Tomoki Iwasaki, Tsutomu Hirai, Susumu Hashimoto, Katsuyuki Saito 2013-09-17
8474825 Sealing device 2013-07-02
8276917 Sealing device Hideharu Hyakutake 2012-10-02
8220803 Oil seal Satoshi Yamanaka, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui, Hideyuki Furuyama +4 more 2012-07-17
8189041 Endoscope signal processing apparatus Jun Konishi, Kentaro Hase, Tsutomu Hirai, Shoichi Amano, Tomoki Iwasaki +2 more 2012-05-29
8136818 Oil seal Satoshi Yamanaka, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui, Hideyuki Furuyama +4 more 2012-03-20
7951074 Endoscope device Tomoki Iwasaki, Tsutomu Hirai, Yutaka Fujisawa, Akihito Kawamura, Akihiko Mochida +5 more 2011-05-31
7806412 Lip type end face sealing device Akihiro Sato, Tetsuo Tasaki, Hiromi Takahashi, Junya Hoshi, Hiroshi Okubo +1 more 2010-10-05
5609561 Electronic type endoscope in which image pickup unit is dismounted to execute disinfection/sterilization processing Masao Uehara, Katsuyuki Saito, Masahito Goto, Shinji Yamashita, Akinobu Uchikubo +5 more 1997-03-11
5592216 Endoscopic apparatus capable of storing image information for a plurality of frames Masao Uehara, Katsuyuki Saito, Akinobu Uchikubo, Masahiko Sasaki, Shinji Yamashita 1997-01-07
5408263 Electronic endoscope apparatus Kenichi Kikuchi, Akira Watanabe, Masaki Terakubo, Yasuo Komatsu 1995-04-18
5374953 Electronic endoscope apparatus with signal validity monitor Masahiko Sasaki, Masao Uehara, Katsuyuki Saito, Akinobu Uchikubo, Shinji Yamashita +4 more 1994-12-20
RE34504 Electronic endoscope system provided with a means of imaging frozen pictures having few picture image smears Masao Uehara, Mashide Kanno, Katsuyuki Saito, Akinobu Uchikubo, Katsuyoshi Sasagawa +7 more 1994-01-11