TS

Takao Sakai

MI Minolta: 4 patents #411 of 1,109Top 40%
SU Subaru: 3 patents #297 of 1,436Top 25%
KT Kabushiki Kaisha Top: 1 patents #53 of 213Top 25%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
ML Mitsubishi Petrochemical Company Limited: 1 patents #291 of 670Top 45%
NC Nippon Piston Ring Co.: 1 patents #120 of 208Top 60%
OD Oki Data: 1 patents #442 of 635Top 70%
DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 1 patents #104 of 393Top 30%
TK Topy Kogyo Kabushiki Kaisha: 1 patents #71 of 189Top 40%
FU Fujikura: 1 patents #788 of 1,407Top 60%
📍 Izumi, JP: #13 of 245 inventorsTop 6%
Overall (All Time): #311,891 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11955858 Rotary machine and insulator Yuji Amaya, Norihito Shimode, Yuga Hashizume, Kenji Sasaki 2024-04-09
8390662 Exposing device having light emitting elements and image forming apparatus using the same Masamitsu Nagamine 2013-03-05
8162411 Integrally forged link for endless track Makoto Ueda, Akiyoshi Kurihara, Eiji Nakagawa, Yusuke Kinpara 2012-04-24
6640766 Bearing case for engine Akira Furuya 2003-11-04
6561315 Lubricating system for OHC engine Akira Furuya 2003-05-13
6557515 Structure for lubricating valve-operating device of OHC engine and cover member for OHC engine Akira Furuya 2003-05-06
6270081 Combination of piston ring for use in internal combustion engine Motonobu Onoda 2001-08-07
5432609 Two-dimensional colorimeter Masami Sugiyama 1995-07-11
4986665 Optical density detector Akio Yamanishi, Hitoshi Kamezawa, Sadafusa Tsuji, Mitsunobu Ota 1991-01-22
4942877 Device for measuring oxygen saturation degree in arterial blood Kenji Hamaguri 1990-07-24
4909316 Dual-tube heat pipe type heat exchanger Mitsuru Kamei, Shinichi Sugihara, Motoharu Yatsuhashi, Ryuichi Okiai, Masataka Mochizuki 1990-03-20
4765340 Apnea detector Kenji Hamaguri 1988-08-23
4714341 Multi-wavelength oximeter having a means for disregarding a poor signal Kenji Hamaguri 1987-12-22
4701505 Process for production of olefin polymers Masaki Fujii, Hideo Sakurai, Yosiharu Yamamoto 1987-10-20
4184796 Globoid worm gear generating method Minoru Maki, Hisashi Tamura 1980-01-22