Shigeo Ishibashi

NT NTT: 1 patents #452 of 907Top 50%

Overall (2022): #262,610 of 548,613Top 50%

Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11447888	Crystal fiber manufacturing method	—	2022-09-20