Company name Number of patents
Lucent Technologies 731
IBM 704
Sony 535
Philips 383
Sharp 368
Coherent 349
Spectra-Physics 293
TRW 232
Lambda Physik 111
Company name Number of patents
Lucent Technologies 731
IBM 704
Sony 535
Philips 383
Sharp 368
Coherent 349
Spectra-Physics 293
TRW 232
Lambda Physik 111