HT

Hitoshi Tanaka

PE Pentax: 3 patents #27 of 186Top 15%
AL Alcon Laboratories: 1 patents #42 of 99Top 45%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #1 of 2Top 50%
HI Hitachi: 1 patents #867 of 2,942Top 30%
HE Hitachi Vlsi Engineering: 1 patents #17 of 136Top 15%
KC Koito Manufacturing Co.: 1 patents #19 of 58Top 35%
📍 Yokohama, JP: #11 of 177 inventorsTop 7%
Overall (1997): #1,748 of 185,788Top 1%
7
Patents 1997

Issued Patents 1997

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5701208 Clutch apparatus for zoom lens barrel Norio Sato 1997-12-23
RE35679 Zoom lens barrel for waterproof and/or water-resistant camera 1997-12-02
5678953 Connecting mechanism Hidetoshi Usui 1997-10-21
5677880 Semiconductor memory having redundancy circuit Masashi Horiguchi, Jun Etoh, Masakazu Aoki, Yoshinobu Nakagome, Kiyoo Itoh 1997-10-14
5668133 Ophthalmic compositions comprising emedastine and methods for their use John M. Yanni, Stella M. Robertson, Shigetoshi Okumura, Tadayuki Saito 1997-09-16
5658072 Vehicular lamp having appearance of depth Kazunori Natsume 1997-08-19
5654837 Zoom lens barrel 1997-08-05