TA

Tatsuo Arai

MM Mitsubishi Materials: 26 patents #11 of 1,543Top 1%
MK Mitsubishi Kinzoku: 17 patents #1 of 280Top 1%
AT Agency Of Industrial Science And Technology: 6 patents #42 of 1,778Top 3%
MI Ministry Of International Trade & Industry: 6 patents #11 of 582Top 2%
MM Mitsubishi Metal: 5 patents #4 of 150Top 3%
Casio Computer Co.: 4 patents #615 of 1,970Top 35%
TC Tsubakimoto Chain: 3 patents #140 of 593Top 25%
KU Keio University: 1 patents #190 of 781Top 25%
Overall (All Time): #29,282 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
5476357 Micromanipulator 1995-12-19
5460464 Cutting insert Takayoshi Saito 1995-10-24
5443335 Cutting insert Takamasa Shimano, Takayoshi Saito 1995-08-22
5425616 Micromotion stage Naotaka Komatsu 1995-06-20
5352067 Milling cutter clamping wedge with hardened chip surface Takayoshi Saito 1994-10-04
5332339 Throw-away cutting tool Masaaki Nakayama, Masayuki Okawa, Junichi Saito 1994-07-26
5314269 Cutting insert and cutter Takayoshi Saito, Hiroaki Hayashizaki 1994-05-24
5294219 Ball end mill Hidehisa Shiratori, Masayuki Okawa 1994-03-15
D342269 Cutter insert Takayoshi Saito 1993-12-14
5244318 Throwaway insert and cutting tool therefor Takayoshi Saito 1993-09-14
5240356 Nitrided cutter machining Takayoshi Saito 1993-08-31
5218675 Information display system suitable for compact electronic appliances having different display sizes Yuji Kuriyama 1993-06-08
5209610 Throwaway milling cutter Takayoshi Saito 1993-05-11
5197831 Cutting insert for ball end mill Hidehisa Shiratori, Masayuki Okawa 1993-03-30
5193946 Cutting insert Takehiro Takada 1993-03-16
5190417 Throwaway insert Takayoshi Saito 1993-03-02
5171109 Cutting tool Takayoshi Saito 1992-12-15
5160228 Cutting tool with clamped-on inserts Masaaki Nakayama, Takayoshi Saito 1992-11-03
5136227 Active gravity compensation device for force control system Eiji Nakano 1992-08-04
5102269 Insert cutter Takayoshi Saito, Hiroaki Hayashizaki, Toru Narita 1992-04-07
5090849 Rotary cutting tool Katsumi Haga, Takayoshi Saito, Hidehisa Shiratori, Ryoei Hasegawa, Kazuo Iizuka 1992-02-25
5035544 Insert clamped tool Kouichi Ikenaga 1991-07-30
5026221 Rotary cutting tool Hidehisa Shiratori, Ryoei Hasegawa, Kazuo Iizuka 1991-06-25
5017055 Indexable cutter insert Osamu Tsujimura, Masaaki Nakayama, Masayuki Okawa 1991-05-21
5004378 Clamped cutting tool Katsumi Haga 1991-04-02