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 51–70 of 70 patents

Patent #TitleCo-InventorsDate
5000625 Inserted cutting tool Takayoshi Saito 1991-03-19
4966500 Face milling cutter with cutter inserts Osamu Tsujimura, Takayoshi Saito 1990-10-30
4964762 Combination of cutter and fastener unit therefor Takayoshi Saito 1990-10-23
4954021 Inserted rotary cutter Osamu Tsujimura, Takayoshi Saito 1990-09-04
D309317 Ball end mill Osamu Tsujimura, Masayuki Okawa 1990-07-17
D308874 Ball end mill Osamu Tsujimura, Masayuki Okawa 1990-06-26
4930945 Insert rotary cutter Takayoshi Saito, Osamu Tsujimura, Hiroaki Hayashizaki 1990-06-05
4919573 Ball end mill Osamu Tsujimura, Masayuki Okawa 1990-04-24
4898499 Ball end mill Osamu Tsujimura, Masaaki Nakayama, Masayuki Okawa 1990-02-06
4883391 Ball end mill Osamu Tsujimura, Masayuki Okawa 1989-11-28
4844666 Insert rotary cutting tool Osamu Tsujimura, Nobuo Hiyama 1989-07-04
4844669 Insert boring tool and cutting insert therefor Osamu Tsujimura, Takayoshi Saito 1989-07-04
4808045 End mill with throw-away tip Osamu Tsujimura, Takayoshi Saito, Yasuzo Funaki 1989-02-28
4808044 Insert cutter Osamu Tsujimura 1989-02-28
4693641 End mill with throw-away tip Osamu Tsujimura, Takayoshi Saito 1987-09-15
4687383 Insert rotary cutter Hiroshi Shimomura 1987-08-18
4661032 Bilateral master-slave manipulator control device 1987-04-28
4529339 Cutter insert Hiroshi Shimomura 1985-07-16
4511293 Insert cutter Hiroshi Shimomura 1985-04-16
4308584 Apparatus for control of manipulator 1981-12-29