TT

Takashi Tsumanuma

FU Fujikura: 23 patents #25 of 1,407Top 2%
JM J. Morita Mfg.: 1 patents #84 of 136Top 65%
DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #104 of 393Top 30%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
MM M & M: 1 patents #4 of 10Top 40%
JA Japan Atomic Energy Agency: 1 patents #64 of 251Top 30%
Overall (All Time): #185,116 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8945195 Small bowel endoscope of ileus tube type that enables laser inspection and therapy Kiyoshi Oka, Tomoaki Toriya, Kenichi Nakatate, Junji Yoshino, Takao Wakabayashi 2015-02-03
8884187 Welding observation apparatus Kenichi Nakatate, Satoshi KATOU, Jun Yamagishi 2014-11-11
8870430 Display apparatus and lighting window Mitsuru Kamikatano 2014-10-28
8372316 Display apparatus, manufacturing method thereof, pattern display method, blind apparatus, and blind method Mitsuru Kamikatano, Takafumi Kashima 2013-02-12
8208775 Silica-based single core optical fiber, silica-based multi core optical fiber, and fabrication method for the same Manabu Kudou, Kazuyuki Hayashi 2012-06-26
8208774 Silica-based single core optical fiber, silica-based multi core optical fiber, and fabrication method for the same Manabu Kudou, Kazuyuki Hayashi 2012-06-26
8189976 Endoscope system Tomoaki Toriya, Keiji Kaneda, Kenichi Nakatate 2012-05-29
7813607 Optical fiber bundle unit for transmitting ultraviolet light Ken-ichi Nakatate, Tomoaki Toriya, Manabu Kudoh, Katsuyuki Seto 2010-10-12
7806578 Illumination device having light guide body Mitsuru Kamikatano 2010-10-05
7734134 Fiber scope Kenichi Nakatate, Keiji Kaneda 2010-06-08
7582057 Endoscopic system using an extremely fine composite optical fiber Tomoaki Toriya, Kenichi Nakatate, Takashi Ishii, Kiyoshi Oka, Toshio Osaki +1 more 2009-09-01
7440673 Radiation resistant single-mode optical fiber and method of manufacturing thereof Kazuhiko Aikawa, Katsuaki Izoe, Naoki Shamoto, Manabu Kudoh 2008-10-21
7418178 Multi-core fiber Manabu Kudou, Kazuhiko Aikawa 2008-08-26
7221834 Image fiber Kenichi Nakatate, Keiji Kaneda 2007-05-22
7209617 Processing method for an image fiber Kenichi Nakatate 2007-04-24
7072548 Processing method for an image fiber Kenichi Nakatate 2006-07-04
6892012 Optical fiber bundle unit for transmitting ultraviolet light Ken-ichi Nakatate, Tomoaki Toriya, Manabu Kudoh, Katsuyuki Seto 2005-05-10
6549333 Endoscope ocular with microscope gripping mechanism and endoscope holder and endoscope fixing method Ken-ichi Nakatate, Michiro Fuji 2003-04-15
6129721 Medical laser treatment device and laser probe for the same Kenzo Kataoka, Masaki Odaka, Akira Yuba, Koichi Yamazaki, Keiji Kaneda 2000-10-10
5742429 Device for stereoscopic visualization including a stereomicroscope and fiberscope Kennichi Nakatate, Hiroyoshi Koyama 1998-04-21
5048923 Image fiber, image fiber preform, and manufacturing processes thereof Toshiyuki Tanaka, Naoki Shamoto, Katsuyuki Seto, Kazuo Sanada, Kouji Tanaka 1991-09-17
4896941 Image-transmitting fiber Shotaro Hayashi, Tsugio Sonobe, Kiyonori Ishii, Kazuo Sanada, Sadao Chigira +1 more 1990-01-30
4770493 Heat and radiation resistant optical fiber Kuniaki Ara, Hiroshi Rindo, Koichiro Nakamoto, Sadao Chigira, Kazuo Sanada +1 more 1988-09-13